Question

A triangle has sides with lengths of 43 millimeters, 81 millimeters, and 93 millimeters. Is it a right triangle?

Answer 1

No

Explanation:

Since a right triangle's hypotenuse is the longest side, you can assume that 93mm would be the hypotenuse.

You plug these numbers into the Pythagorean theorem (a^2+b^2=c^2)

43^2+81^2=93^2

1849 + 6561 = 8649

8410 =/= 8649

Because the sides do not equal each other, this is not a right triangle.