1956 AHSME Problems/Problem 10
Problem
A circle of radius inches has its center at the vertex of an equilateral triangle and passes through the other two vertices. The side extended through intersects the circle at . The number of degrees of angle is:
Solution
is an equilateral triangle, so ∠ must be °. Since is on the circle and ∠ contains arc , we know that ∠ is ° .
See Also
1956 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 9 |
Followed by Problem 11 | |
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