CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

Jab koi bhi chij puri pack ho ya aandar se filled ho or uska area nikalna ho too hmm TSA nikalte ha matlab total area Or jab sirf bahar ka nikalna ho(boundary) means aandar se khali ho to CSA.....jaise ek circular tent ha usko banene me kitna kapra laga to hmm C.S.A nikalenge.

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God God 6 years, 1 month ago

And imagine the figure in mind and try to work practically

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God God 6 years, 1 month ago

First of all read question properly

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ANSWER

The sum of n,2n,3n terms of an AP are s1,s2,s3 respectively. Then prove that s3={s2-s1}3 .

Posted by God God 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Prakhar Verma 6 years, 1 month ago

S1 = n/2 (2a + (n-1)d) ; S2 = n(2a + (2n-1)d) ; S3 = 3n/2(2a+(3n/2-1)d) ; 3(S2 -S1) = 3( 2an +2n^2d -dn -an -n^2d/2 +nd/2) = 3( an +3dn^2 /2 -nd/2) = 3n/2 (2a + (3n/2 -1) d) = S3 Hence, proved

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ANSWER

Is completing square method involve in cbse board exams

Posted by Alka Chaudhary 6 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Ajay ???? 6 years, 1 month ago

This method is in ncert but not in syllabus

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Prakhar Verma 6 years, 1 month ago

Yes, its given in ncert. So it is in syllabus.

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God God 6 years, 1 month ago

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Aadya Singh 6 years, 1 month ago

Shayad nhi ?but boards h to risk mat lo...ek bar padh lena ?

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ANSWER

A ladder reaches a window of building 6m above the ground the ground and distance of foot of ladder from the building is 2.5m find the length of ladder.

Posted by Dimple Lakhwani 6 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Pallavi Kumari 6 years, 1 month ago

6.5 m

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Indira Bishnoi 6 years, 1 month ago

Length of ladder is 6.5m

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Dishant Rajput 6 years, 1 month ago

Using P. T. Length of ladder = 6. 5 m

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Aadya Singh 6 years, 1 month ago

The length of ladder is 6.5 m...

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ANSWER

Find the distance point (2,3) and (7,10)

Posted by Madhur Modi 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Pallavi Kumari 6 years, 1 month ago

Root 74

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Aadya Singh 6 years, 1 month ago

√74 units...

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ANSWER

2+2-4/5*4

Posted by Prince Raj 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Pallavi Kumari 6 years, 1 month ago

0.8

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God God 6 years, 1 month ago

4/5

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Arru Ah 6 years, 1 month ago

0.8

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ANSWER

Evaluate 10*1- cot*cot/1+sin*sin

Posted by Yogesh Kumar 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

God God 6 years, 1 month ago

10/cot²

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ANSWER

The first and last term of an AP are-9and 168 and the sum of n term of the AP is 4770 . Find the number of terms in the AP, the common differnce and the ninteenth term of AP

Posted by Dinesh Kumar 6 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Pallavi Kumari 6 years, 1 month ago

19th term is 51.48

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Pallavi Kumari 6 years, 1 month ago

D is3.36

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Pallavi Kumari 6 years, 1 month ago

N= 60.

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God God 6 years, 1 month ago

N is 60

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ANSWER

Prime factor of 140

Posted by Jitin Sharma 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Pallavi Kumari 6 years, 1 month ago

2 , 5 and 7

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God God 6 years, 1 month ago

2*7*2*5

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ANSWER

I've maths std exam set 2 paper of year 2020 ?

Posted by Arru Ah 6 years, 1 month ago

CBSE > Class 10 > Mathematics

14 answers

Pallavi Kumari 6 years, 1 month ago

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Arru Ah 6 years, 1 month ago

Dinesh kumar papa bolo papa ?

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♛ ❝Ѕυнαɴα❞ ♛ 6 years, 1 month ago

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Aadya Singh 6 years, 1 month ago

To baith k royenge ?????

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♛ ❝Ѕυнαɴα❞ ♛ 6 years, 1 month ago

??___ agr tumhare pass set 2 nahi aya toh kya kroge ___?????

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

Stunt goes wrong, hagg diya?????

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Arru Ah 6 years, 1 month ago

?? sorry everyone ye sirf ek publicity stunt tha

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

Impossible ????

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Rishita Singh 6 years, 1 month ago

Toh use achhe se karke maths me top kar lo

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Aadya Singh 6 years, 1 month ago

Ya to previous year paper to nhi na le liya h ??

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Aadya Singh 6 years, 1 month ago

?????

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

Tune sample paper uthaya hoga, thik se dekh

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Honey...?? #Girl 6 years, 1 month ago

Lol

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

It is fake

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ANSWER

Find sum of 1st 15 multiples of 8

Posted by Jabir Hk 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Indira Bishnoi 6 years, 1 month ago

The sum of 1st 15 multiples of 8 is 960

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ANSWER

If triangle ABC is right angled at C then value of cosec(A+B) is

Posted by Charan Sree Hari 6 years, 1 month ago

CBSE > Class 10 > Mathematics

5 answers

God God 6 years, 1 month ago

Answer is 1

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Miss. 1234 6 years, 1 month ago

angles*?

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Miss. 1234 6 years, 1 month ago

sorry by mistake i wrote √2...

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Miss. 1234 6 years, 1 month ago

becoz in any triangle sum of all the sides = 180 ....since one angle is 90 ... therefore the sum of remaining two angle will also be 90....A+B =90...and cosec 90=1...sorry 1

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Miss. 1234 6 years, 1 month ago

i think answer is √2

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ANSWER

Show that the points (5,5),(h, 0), and (0,k)are collinear if 1/h +1/k =1/5.

Posted by Manish Kumar 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Miss. 1234 6 years, 1 month ago

first of all k ki value find out kro....in terms of h value ayegi .....and then 3 points mil jayenge...area of triangle formula ka use kro....area of triangle=0...becoz the points are collinear

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ANSWER

AB is the diameter of the circle with the center O if PAB=55 PBQ =25 And ABR=50 find PBA BPQ and BAR

Posted by Varsha M 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Empirical relationship between the three measures of central tendency is

Posted by Dilkhush Kumar 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Anand Tushar 6 years, 1 month ago

3Median= Mode+2Mean

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Yashi .... 6 years, 1 month ago

3 median-2 mean= mode

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Dilkhush Kumar 6 years, 1 month ago

Empirical relationship between the three measure of central tendency is

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ANSWER

Find HCF of 398and 456

Posted by Lovepreet Singh 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

God God 6 years, 1 month ago

Answer is 2

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Arvind Singh 6 years, 1 month ago

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ANSWER

How i can solve trignometry sums like that of exercise 8.4 ??

Posted by N.Sbhullar Bhular 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Vaishnavi Gajre 6 years, 1 month ago

Also understand the methods used to solve different types of questions Example if the question consists √ then method is rationalisation

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Vaishnavi Gajre 6 years, 1 month ago

Practice more questions from question bank

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Satya Saraf 6 years, 1 month ago

Only need to learn the formula and basic concept of trigonometry

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ANSWER

Posted by Innocent Boy 6 years, 1 month ago

CBSE > Class 10 > Mathematics

48 answers

Innocent Boy 6 years, 1 month ago

...

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Innocent Boy 6 years, 1 month ago

Aap baat hi ni krti zada

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Innocent Boy 6 years, 1 month ago

Hlo shreya

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Shreya Sharma?? 6 years, 1 month ago

Hlo

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Innocent Boy 6 years, 1 month ago

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Innocent Boy 6 years, 1 month ago

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

Ok ?

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Innocent Boy 6 years, 1 month ago

This is attempt bro

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

Bata de kya bolna tha tujhe video me

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Innocent Boy 6 years, 1 month ago

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

What is this

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Innocent Boy 6 years, 1 month ago

[tex]<iframe width="297" height="192" src="https://www.youtube.com/embed/wpozxumBJuw" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>[/tex]

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

Jo video me hai vo type karke bata de

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Innocent Boy 6 years, 1 month ago

Patani kyu ni chlra brainly m chal gya accha khasa

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Innocent Boy 6 years, 1 month ago

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?® @ |-| U |_ ? T |-| £ ?G ® £ @ T ♂? 6 years, 1 month ago

Not working

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