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

using distance formula to find the sides of square EF=√{3-(-2)}^2+(0-0)^2 EF=√(5)^2+0 EF=√25 EF=5 we know that sides of a square are equal then th distance of sides EF=5 FG=5 GH=5 HE=5 PERIMETER= sum of all sides 5+5+5+5=20ans

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Tanishq Singh 4 years, 6 months ago

Sin A = 3/4 =perpendicular /base P=3 H=4 We can find tha base by pythagoras theorem in triangle ABC BA²=AC²-BC² BA²=4²-3² BA²=16-9 BA²=7 BA=√7 SecA = hypotenuse /base SecA=4/√7

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Sumit Chauhan 4 years, 6 months ago

First we find distance between EF, FH, HI and IE respectively after than add the distance all

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(a2-b3)

Posted by Yajnesh Kulal 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Simmi Fagna 4 years, 5 months ago

(a2-b3)=(a²‐b²)ka formula

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two points A and B are on the same side of a tower and in the same straight line with its base. the angle of depression of these points from the top of the tower are 60 and 90 respectively. if the height of the tower is 15m 5then find the distance between these points

Posted by Priya Priya 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Ishan Khandelwal 4 years, 6 months ago

The distance between these points is 5√3m

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A). 4m+ 3n =12 B) . 3x2 - 7y =13 C). 0x+6y-3=0 D). 4/x+5/y=4 Witch options represent linear equation in two variables

Posted by Anjali Khatekar 4 years, 6 months ago

CBSE > Class 10 > Mathematics

3 answers

Simranpreet Kaur 4 years, 6 months ago

Both A and D

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Ishan Khandelwal 4 years, 6 months ago

A is correct

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Rashmi Maurya 4 years, 6 months ago

D one is correct

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ANSWER

a(x-a) +b(x-b) /(a-b) (a+b)=2

Posted by Devarsh Pandey 10A 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Prove that root5+root3 is irrational

Posted by Marisetty Aashish 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Jay Singh 4 years, 6 months ago

Let root5+root3be a rational number which can be written in the form of p upon q and q is not equal to 0 root5+root3=p\q root3=p\q-root5 root3=p-root5\q So that p-root5 is rational number Where root3 is irrational number So our contradict assumptions is wrong Thus' root 5+root 3 is irrational number Proved

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Proofs in mathematics

Posted by Simmi Fagna 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Divya Soni 4 years, 6 months ago

A mathematical proof is an inferential argument for a mathematical statement, showing that the stated assumptions logically guarantee the conclusion.

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If sinA=3/4 then find the value of secA

Posted by Priyanshi Yadav 4 years, 6 months ago

CBSE > Class 10 > Mathematics

5 answers

Tanvi @1201 4 years, 6 months ago

Sec=4 by root 7

1Thank You

Tanishq Singh 4 years, 6 months ago

Sin A = 3/4 =perpendicular /base P=3 H=4 We can find tha base by pythagoras theorem in triangle ABC BA²=AC²-BC² BA²=4²-3² BA²=16-9 BA²=7 BA=√7 SecA = hypotenuse /base SecA=4/√7

0Thank You

It'S Krishna 4 years, 6 months ago

Diya soni you copied my answer

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Divya Soni 4 years, 6 months ago

Sin A = 3/4 =perpendicular /base P=3 H=4 We can find tha base by pythagoras theorem in triangle ABC BA²=AC²-BC² BA²=4²-3² BA²=16-9 BA²=7 BA=√7 SecA = hypotenuse /base SecA=4/√7

1Thank You

It'S Krishna 4 years, 6 months ago

Sin A = 3/4 =perpendicular /base P=3 H=4 We can find tha base by pythagoras theorem in triangle ABC BA²=AC²-BC² BA²=4²-3² BA²=16-9 BA²=7 BA=√7 SecA = hypotenuse /base SecA=4/√7

1Thank You

ANSWER

a*a+b*b

Posted by Tanish Tiwadi 4 years, 6 months ago

CBSE > Class 10 > Mathematics

3 answers

Sahil Singh 4 years, 6 months ago

if the question is a^2+b^2= (a^2+b^2)-2ab

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Pavi Pandey 4 years, 6 months ago

A square + b square??what do u want to ask??

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Simmi Fagna 4 years, 6 months ago

What is this ?

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ANSWER

Tan1 tan2 tan3 ...tan89

Posted by Rajdeep Singh 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Rimi Singh 4 years, 6 months ago

Ans is 1

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ANSWER

The mean of the following frequency distribution is 62.8 and the sum of the all frequencies is 50.compute the missing frequencies f1 nad f2 .

Posted by Surinder Kumar 4 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Surinder Kumar 4 years, 6 months ago

Class interval 0-20,20-40,40-60,60-80,80-100,100-120.and frequency is 5,f1,10,f2,7,8.

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Surinder Kumar 4 years, 6 months ago

Table is also given

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Find the area of the shaded region in the figure where ABCD is a square of side 10cm and semicircles are drawn with each side of the square as diameter

Posted by Koyal Shetty 4 years, 6 months ago

CBSE > Class 10 > Mathematics

3 answers

Anurag Singh 4 years, 5 months ago

Simmi fagna complete your answer questions ask shaded region find

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Simmi Fagna 4 years, 5 months ago

Given, Side of square ABCD=10cm Area of square ABCD =(Side)² =(10)² =100cm² Given,semicircle is drawn with Side of square as diameter, So,Diameter of semicircle =Side of square =10cm Radius of semicircle =Side/2=10/2=5

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Himanshu Verma 4 years, 6 months ago

Where is the picture?

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Express 17/25 in decimal form without actual division

Posted by Prema Jenila Gemmela 4 years, 6 months ago

CBSE > Class 10 > Mathematics