From the diagram above. ABC is a triangle inscribed in a circle center O. ?ACB = 40o and |AB| = x cm. calculate the radius of the circle.

Question 1 Report

From the diagram above. ABC is a triangle inscribed in a circle center O. ?ACB = 40^o and |AB| = x cm. calculate the radius of the circle.

\(\frac{x}{sin 40^o}\)

\(\frac{x}{cos 40^o}\)

\(\frac{x}{2 sin 40^o}\)

\(\frac{x}{2 cos 40^o}\)