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.\
\
a. the triangle is not a right triangle.\
b. $\cos\theta > 0$\
c. $\theta$ is an acute angle.\
d. the triangle is a right triangle.

Explanation:

Answer:

A. The triangle is not a right triangle.
B. $\cos\theta > 0$
C. $\theta$ is an acute angle.