2011 AMC 12B Problems/Problem 10
Problem
Rectangle has and . Point is chosen on side so that . What is the degree measure of ?
Solution
Since , , so , so is isosceles, and hence . Therefore, is a 30-60-90 triangle with . Therefore
See also
2011 AMC 12B (Problems • Answer Key • Resources) | |
Preceded by Problem 9 |
Followed by Problem 11 |
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All AMC 12 Problems and Solutions |
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