Question

Is this a right triangle?

Answer 1

Yes

Explanation:
Use the Pythagorean theorem (a^2 + b^2 = c^2) to find out if the hypotenuse (20 cm) squared is equal to the sum of the other two sides when squared. This will determine if it is truly a right triangle.

`12^(2) +16^(2) =20^(2)`

`144 + 256 = 400`

`400 = 400`

The triangle is indeed a right triangle.