2018 AMC 12B Problems/Problem 4

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Problem

A circle has a chord of length 10, and the distance from the center of the circle to the chord is 5. What is the area of the circle?

(A) $25\pi$ (B) $50\pi$ (C) $75\pi$ (D) $100\pi$ (E) $125\pi$

Solution

2018 AMC 12B (ProblemsAnswer KeyResources)
Preceded by
Problem 3
Followed by
Problem 5
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All AMC 12 Problems and Solutions