1990 AHSME Problems/Problem 14
Problem
An acute isosceles triangle, , is inscribed in a circle. Through and , tangents to the circle are drawn, meeting at point . If and is the radian measure of , then
Solution
We can make two equations (assume angle D is y): and . We find that . Now we have to convert this to radians. 360 degrees is radians, so since we have degrees, the answer is which is
See also
1990 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 13 |
Followed by Problem 15 | |
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