Question

Suppose a triangle has sides a, b, and c, and that a^2 + b^2 < c^2. Let (theta) be the measure of the angle opposite the side of length c. Which of the following must be true? Check all that apply.

Please explain. Thank you!

Answer 1

So let us imagine another triangle
if a^2 + b^2 = c^2
What kind of triangle would that be?