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

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.
  • 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})
Correct Answer: Option C
Explanation

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