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The sides of certain triangles are given below. Determine which of them are right triangles. 7 cm, 24 cm, 25 cm

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Question

The sides of certain triangles are given below. Determine which of them are right triangles. 

7 cm, 24 cm, 25 cm

Sum
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Solution

A=7 cm, b = 24 cm and c = 25 cm
Then,
`a^2+b^2=7^2+24^2` 

=49+576 

=625 

`c^2=25^2` 

=625

`a^2+b^2=c^2`
Thus, the given triangle is a right-angled.

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Chapter 7: Triangles - EXERCISE 7D [Page 441]

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 7 Triangles
EXERCISE 7D | Q 1. (ii) | Page 441
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