Question

The lengths of three sides of a triangle are given. Classify each triangle as acute, right, or obtuse. 6,9,7

Answer 1

Answer : acute
Right triangle : a^2+b^2=c^2
Acute triangle : a^2+b^2 > c^2
Obtuse triangle:a^2+b^2 < c^2
6^2+7^2 > 9^2