Question

Pythagorean Theorem: Question 5

Use the Pythagorean Theorem to decide if the triangle
below is a right triangle.
13 mm
84 mm
85 mm
Select one
O No, because 13° +81° +852
Yes, because 13° +852 - 842
O
Yes, because 13° +842 - 852
O
No, because 13° +852 852

Answer 1

It is a right triangle, but not for any of the reasons listed in the options.

Explanation:

Where does the 13 degrees come from in the options?

Non of the options makes sense to me, but this is a right triangle since:

Does 13^2 + 84^2 = 85^2 ?

169 + 7056 = 7225 ?

7225 = 7225 YES