Question

Check whether 3 cm, 4 cm and 5 cm are the sides of a right
triangle or not.
2​

Answer 1

Answer:

Since all three sides have different lengths, it is a scalene triangle. But, we must test for a second feature. Using Pythagorus' theorem

a

2

+

b

2

=

c

2

we find

3

2

+

4

2

=

5

2

9 + 16 = 25

So, these sides also cause it to be a right triangle.

Answer 2

Step-by-step explanation:

$by \: applying \: phythagorous \: theoram \\ (5) {}^{2} = (3) {}^{2} + (4) {}^{2} \\ 25 = 9 + 16 \\ 25 = 25 \\ yes \: \: it \: i s \: a \: right \: triangle$

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