Question

If the lengths of a triangle are 8, 12, and 18 can it be a right triangle?

Answer 1

Hello,

The triangle be right only if : 18² = 8² + 12²

We have : 18² = 18 × 18 = 324

and 8² + 12² = 8 × 8 + 12 × 12 = 208

324 ≠ 208 → the triangle can not be a right triangle

Answer 2

No it cannot be right angle