CBSE > Class 09 > Mathematics | CBSE Board | Homework Help

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1Thank You

Subhash Kumar 2 years, 1 month ago

Routes3 +1 by routes3 +1

4Thank You

ANSWER

Two parallel roads PQ and RS are at the centre of city . It was decided to put two huge lamp posts

Posted by Indumathi Jaganathan 2 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The longest side of a right angled triangle is 125m and one of the remaining two sides is 100m. Find its area using heron's formula

Posted by Kaneez Fatima 2 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Rohit Raj 2 years, 1 month ago

Londest side =125m (hypotenuse),h Let (base),b=100m And(perpendicular)=p From Pythagoras theorem,we know that, h^2=b^2+p^2 On putting the given values here we get 125^2=100^2+p^2 15265=10000+p^2 15625-10000=p^2 5625=p^2 √5625=p P=75 Here three sides of triangle a=125m b=100m C=75m We know that S=a+b+c/2 S=125+100+75/2 S=150m Again,we know that Area of triangle by herons formula=√s(s-a)(s-b)(s-c) area of 📐=√150(150-125) (150-100)(150-75) =√150×25×50×75 =√3×50×25×50×25×3 =√3×3×50×50×25×25 =3×50×25 =3750m^2. ...Ans👍

4Thank You

ANSWER

Divide 7 rout 5 by -14 rout 125

Posted by Kiran Pathak 2 years, 1 month ago

CBSE > Class 09 > Mathematics

4 answers

Arshdeep Kaur 2 years ago

1/5

0Thank You

Arshdeep Kaur 2 years, 1 month ago

5 ans

0Thank You

Mani Kavitha 2 years, 1 month ago

a²×b²

1Thank You

Kiran Pathak 2 years, 1 month ago

Iska answer 10 haa naa

3Thank You

ANSWER

Simply the

Posted by Kiran Pathak 2 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Evaluate: \{sqrt(3 + 2sqrt(2))\} +\ sqrt 5-2 sqrt 6 |

Posted by Siya Bhatt 2 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Decimal form of 1/9

Posted by Chittaharsh .M 2 years, 1 month ago

CBSE > Class 09 > Mathematics

5 answers

Ishita Agarwal 2 years, 1 month ago

0.1111.....

0Thank You

Lanha Class11 2 years, 1 month ago

0.112

0Thank You

Arshdeep Kaur 2 years, 1 month ago

Decimal form of 1/9is 0.1bar which is non terminating

0Thank You

Divyanshu Raj 2 years, 1 month ago

Decimal form of 1/9 is 0.11

0Thank You

G.Gurga Abhinay😜🫥🌈🕳️ 2 years, 1 month ago

Volume

3Thank You

ANSWER

Find the median of first 10 multiples of 5

Posted by Ankita Bhagat 2 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Assertion (A): Measure of angle WXY=125° Reason (R): Opposite angles of a cyclic quadrilateral are supplementary.

Posted by Sasi Kumar 2 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Smita Kumari 2 years, 1 month ago

Yes

1Thank You

G.Gurga Abhinay😜🫥🌈🕳️ 2 years, 1 month ago

4989.60 ________ 20

1Thank You

ANSWER

3 12 6 27. Equals

Posted by Malkeet Singh Sandhu 2 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the zeros of polynomial p(x)=4-1

Posted by Bhawna Dighan 2 years, 1 month ago

CBSE > Class 09 > Mathematics

3 answers

Ubaid Malik 2 years ago

Firstly take a polynomial.4-1 is not a polynomial

0Thank You

Arshdeep Kaur 2 years, 1 month ago

Firstly take p(x)=4-1=0≈4=1≈[1/4 ]ans

0Thank You

Nikhil N 2 years, 1 month ago

Maths teacher

2Thank You

ANSWER

a cricket ball of mass 0.4 kg moving with a velocity of 72 km per hour to rest by a player what is the magnitude of the average force exerted by the player

Posted by Suraj Kumar Sah 2 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Aakanksha Kumari 2 years, 1 month ago

8 N?

0Thank You

ANSWER

Show that the sum of all external angle of an quadrilateral are 360

Posted by Shourya Jeet 2 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

diameter of the base of the cone is 10.5 and slant height is "7cm" find its C.S.A

Posted by Account Deleted 2 years, 1 month ago

CBSE > Class 09 > Mathematics

5 answers

Apoorv Shukla 2 years, 1 month ago

115.5cm^2

0Thank You

Nikhil N 2 years, 1 month ago

Diameter=10.5, d=10.5=r=10.5/2 Slant height= 7cm ,C.S.A of cone=πrl = 22/7×10.5/2×7=11×10.5=115.5 Answer.

1Thank You

Lucky Luck 2 years, 1 month ago

thanks

0Thank You

Komal Sultania 2 years, 1 month ago

Diameter=10.5 So, Radius=10.5/2 Length=7cm Now, C.S.A of cone=πrl =22/7×10.5/2×7 =11×10.5 =115.5

1Thank You

Shourya Jeet 2 years, 1 month ago

D=10.5 R=d/2 =5.2cm L=7cm C.s.a of cone = pi r l =22/7*5.2*7 =114.2 ans The Answers is 114.2m/2

0Thank You

ANSWER

Formula of C.S.A of cone

Posted by Ziya Ur Rehman Ansari 2 years, 1 month ago

CBSE > Class 09 > Mathematics

4 answers

Akash Yadav 2 years, 1 month ago

πrl

0Thank You

Sasi Kumar 2 years, 1 month ago

C.S.A of cone=πrl sq.units

1Thank You

Soumya Singh 2 years, 1 month ago

πrl

1Thank You

Gaurav Sharma 2 years, 1 month ago

2πr

0Thank You

ANSWER

ABCD is a rectangle P,Q,R,and S are midpoints of sides AB,BC,CD,DA respectively.Show that the quadrilateral PQRS is rhombus

Posted by Mahendrakumar Sahu 2 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Chhaya Singh 2 years, 1 month ago

Yes

0Thank You

ANSWER

√625

Posted by Raghav Raghav 2 years, 1 month ago

CBSE > Class 09 > Mathematics

4 answers

Account Deleted 2 years, 1 month ago

0Thank You

Twarit Sharma 2 years, 1 month ago

0Thank You

Funny Games 2 years, 1 month ago

3Thank You

Garima Pandey 2 years, 1 month ago

2Thank You

ANSWER

P(y)=y² -y+1

Posted by Yuvi Viraj 2 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Thus to thus bhar plas Kara answer 1000

Posted by Satyam Singh 2 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the area of triangle

Posted by Patel Dharm 2 years, 1 month ago

CBSE > Class 09 > Mathematics

5 answers

Arshdeep Kaur 2 years, 1 month ago

Whole root S(s-a)(s-b)(s-c)

0Thank You

Chhaya Singh 2 years, 1 month ago

a+b+c

0Thank You

Funny Games 2 years, 1 month ago

S(s-a)(s-b)(s-c) whole root Where s is the sum of all sides divide by 2 A is first side B is second side C is third side

0Thank You

Garima Pandey 2 years, 1 month ago

Half multiply base multiply height

1Thank You

Shivam Saini 2 years, 1 month ago

Base multiply height

0Thank You

ANSWER

Someone Give me idea that how i can study the circle chapter. Because i am finding difficulty in doing this Chapter.

Posted by Shweta Narayan 2 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Shweta Narayan 2 years, 1 month ago

okay thanks

0Thank You

Khushboo Khan 2 years, 1 month ago

Do all theorem 's perfectly and then take help from someone an solve sum 2 or 3 daily and do 2 or 3 sum daily an revise them without taking help of person , notebooks .

3Thank You

ANSWER

In the given figure,, BC is a diameter of circle and ∠BAO = 60∘ . Then, ∠ADC

Posted by Nakshatra Yadav 2 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Nakshatra Yadav 2 years, 1 month ago

Given: BC is a diameter of circle ∠BAO = 60° ...(1) In ∆OAB, OA = OB ∴ ∠OAB = ∠OBA = 60° (angles opposite to equal sides are equal) ...(2) Also, ∠AOC = ∠OAB + ∠OBA (exterior angle) ⇒ ∠AOC = 60° + 60° (From (2)) ⇒ ∠AOC = 120° ...(3) We know, the angle subtended by an arc at the centre is twice the angle subtended by it at the remaining part of the circle. Thus, ∠AOC = 2∠ADC ⇒ 120° = 2∠ADC (From (3)) ⇒ ∠ADC = 60° Hence, ∠ADC = 60°.

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ANSWER

When Radius of a cone is 20/100m. And height is 1m . Find C.S.A of cone

Posted by Kavyanjali Kumari 2 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Vikas Thakur 2 years, 1 month ago

Given, radius 20/100 m and height 1m By using Pythagoras theorem to find slant height l²=h²+r² l²=1²+(20/100)² l=√104/100 l=2√26 Csa of cone = πrl =22/7×20/100×2√26 =44/35√26m²

1Thank You

ANSWER

Give me some questions of maths

Posted by Arshdeep Kaur 2 years, 1 month ago

CBSE > Class 09 > Mathematics