An equilateral triangle has sides of 10 cm each. Find the ratio of in-radius to the circum-radius of the triangle.

An equilateral triangle has sides of 10 cm each. Find the ratio of in-

1.	An equilateral triangle has sides of 10 cm each. Find the ratio of in-radius to the circum-radius of the triangle.
A.	1 : 1
B.	1 : 2
C.	2 : 1
D.	1 : 3
Answer» C. 2 : 1

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An equilateral triangle has sides of 10 cm each. Find the ratio of in-radius to the circum-radius of the triangle.

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