# ABC is a right angled triangle. ∠ BAC = 90 o and ∠ ACB = 60 o. What is

| ABC is a right angled triangle. ∠BAC = 90

^{o}and ∠ACB = 60^{o}. What is the ratio of the circum radius of the triangle to the side AB?A. 1 : 2

B. 1 : √3

C. 2 : √3

D. 2 : 3

### Right Answer is: B

#### SOLUTION

Hence if we choose , then

We know, Circum radius = R/2

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ABC is a right angled triangle. ∠ BAC = 90 o and ∠ ACB = 60 o. What is