Question

which of the following can be side of right triangles? (A)3cm, 4cm, 5cm (B) 6cm ,7cm,8cm* *


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Answer 1

Answer:

a

Step-by-step explanation:

3,4,5 by Pythagoras theorem

Answer 2

Answer:

If we want to find out whether a set of sides can be used for constructing a right angled triangle, we use Pythagoras Theorem.

(A) 3 cm, 4 cm, 5 cm

3² + 4² = 5²

9 + 16 = 25

25 = 25

This set of sides can be used for constructing a right angled triangle.

(B) 6 cm, 7 cm, 8 cm

6² + 7² = 8²

36 + 49 = 64

85 ≠ 64

This set of sides can’t be used to construct a right angled triangle.

Hope it helps

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