Question

Which set of numbers can represent the side lengths, in centimeters, of a right triangle?

8, 12, 15
10, 24, 26
12. 20.25
15, 18, 20

Answer 1

the Answer is B.

Explanation:

Pythagorean theorem (applicable on right triangles only) says:

Where and are the two legs of the triangle and is the length of the hypotenuse [THE LONGEST SIDE].

We can square each leg on the triangle and take the sum, if that is equal to the square of the longest side, we have a right triangle. Let's check for all of these.

A.

They're not right triangle.

B.

This is a right triangle.

C.

They're not right triangle.

D.

They're not right triangle.

Only B is the right triangle