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

easy way for finding the squar of two digit no.- take any no. e.g. 24 square of 24=(24)^2 step 1- square of 2=4 step 2- square of 4=16 step 3- so 24 written as 416 because square of 2=4 & square of 4=16 step 5- we add 416 with 2×4×2 because of (24)^2 this is differ from real addition 2×4×2=16 416 +16 _________ 576

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If x+y =8 and xy=15 then x'2+y'2 =

Posted by Priyanshu Sharma 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Rahul Nahak 5 years, 3 months ago

x'2+y'2 = x'2+y'2-7

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ABCD is a parallelogram. EB is the bisector of angle B . And AB=2BC. Prove that AE is the bisector of angle A.

Posted by Nitish Kumar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Nitish Kumar 5 years, 3 months ago

Yes bhai thora fig.. ke saath soln karna..

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Deepanshu Aggarwal 5 years, 3 months ago

Bhai E uska mid point hoga

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Find the value of c if in a triangle s_13 a_8 b_7

Posted by Bhavna Yadav 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Tanisha Sehrawat 5 years, 3 months ago

C=11

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गैरेज 44 सेंटीमीटर फाइंड द रेडियस

Posted by Sweet Baby Great Poonia 5 years, 3 months ago

CBSE > Class 09 > Mathematics

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Evaluate : 2 1/4 × 8 1/4

Posted by Devanshi Bhatt 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

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Th 9.3 ch 9 maths class 9

Posted by Asha Hiru 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Rabikant Behera 5 years, 3 months ago

Two triangles having the same base( or equal bases )and equal areas lie between the same parallels.

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4 root cube root 2 square

Posted by Sneha Soni 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Rabikant Behera 5 years, 3 months ago

Pls give me your no. I will give you

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Aur root cube root 2 square

Posted by Sneha Soni 5 years, 3 months ago

CBSE > Class 09 > Mathematics

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Factories a⁴+4

Posted by Prem Chand 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

The Unknown Indian 5 years, 3 months ago

(a)^2+2^2 (a+2)^2

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Find five rational number between 1and 2?

Posted by Ravi Kumar Yadav 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Ravi Kumar Yadav 5 years, 3 months ago

Yehi answer ho...

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Atharva Choudhary 5 years, 3 months ago

Gandh maar

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Y+2x=1300

Posted by Divyanand Nirvan 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Priyanshu Sharma 5 years, 3 months ago

If x=1 Then Y+2x=1300 Y+2×1=1300 Y+2=1300 Y=1300-2 Y=2800 answercomplete

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Minhal Naqvi 5 years, 3 months ago

Y+x=650

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The marks of 15 students in an examination out of 10 marks is as follows. 3,9,7,5,6,3,7,6,7,4,7,7,4,8,2 Find the mean,median and mode

Posted by Pramod There 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Navya Sree 5 years, 3 months ago

Mean=8.3 Mediam=6 Mode=7

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Jasveer Brar 5 years, 3 months ago

Mean = sum of all observations upon toal no of observations Mode is maximum occuring term Median = n + 1 upon 2

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X*a/b = 1

Posted by Ganesh Pujar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Anurag Kumar 5 years, 2 months ago

x^a/b=1 x^a/b=x^0 a/b=0 a=0 b=0

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If in triangle AB=15cm, BC=14cm and AC=13cm find the area of ∆ABC and hence its altitude corrosponding to sideBC

Posted by Suru Gupta 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Suru Gupta 5 years, 3 months ago

84=1/2×15×21

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Draw the graph of equation x 3y-4 find the value of y when x-1

Posted by Roshni Salmaani 5 years, 3 months ago

CBSE > Class 09 > Mathematics

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The angle of a triangle is180

Posted by Aryan Pal 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Himani Kashyap 5 years, 3 months ago

The sum of all angles in a triangle is 180 it is called angle sum property

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simplify ( 0.001)

Posted by Shankar Budharthi 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Tanisha Chhikara 5 years, 3 months ago

1/1000

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Factorise 1.2x^2+y^2+8z^2-2√2xy+4√2yz-8xz

Posted by Tanisha Sen 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

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Suppor material all question plese solve

Posted by Virat Kumar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Sanjay Singh 5 years, 3 months ago

Which subject

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prove that diagonals of aParallelogram divides it into two congruent triangles

Posted by Monika Monika 5 years, 3 months ago

CBSE > Class 09 > Mathematics

4 answers

Himani Kashyap 5 years, 3 months ago

Make a parallelogram ABCD in which ac and bd are diagonals when ac is a diagonal in triangle ABC and triangle abd pair of alternate angle and common and ab =CD by asa rule triangles get congruent it is tooo easy try if you don't understand in ncert book class 9 open pg no. 139 u understand

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Isha Chand 5 years, 3 months ago

Make parallelogram and its only one daigonal then congurent the triangle so obtain

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Dhammaratna Kamble 5 years, 3 months ago

the answer is that see in book

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Dhammaratna Kamble 5 years, 3 months ago

hlo

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The mid value of a class interval is 42. If the class size is 10, find the upper and lower limit of the class.