Question

Suppose a triangle has sides a b c, and let theta be the angle opposite the side length a. if cos theta>0, what must be true

a) a^2+b^2=c^2
b)a^2+b^2>c^2
c) b^2+c^2>a^2
d)b^2+c^2 11 years ago

Answer 1

i think its c