Question

Tell whether the triangle with the given side lengths is a right triangle. 45 in., 26 in., 51 in.​

Answer 1

No it is not

Explanation:

Hypotenuse is the longest side

A ² = B² + C² (Using Pythagoras theorem)

51² = 45² + 26²

2601 =2025 +676

2601 = 2701

This is not a right angle triangle

Square root of 2701 is 51.57 and that is equivalent to 52

Answer 2

A it is nearly but not a right angled triangle.

Explanation:

I used pythagorous theorum.