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# From the diagram above. ABC is a triangle inscribed in a circle center O. ∠ACB...

### Question

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.

### Options

A) $$\frac{x}{\sin 40^o}$$

B) $$\frac{x}{\cos 40^o}$$

C) $$\frac{x}{2 \sin 40^o}$$

D) $$\frac{x}{2 \cos 40^o}$$

The correct answer is C.