Skip to content / Đến nội dung
ThichHocToan.com

2018 AMC 12B Question 4

AMC12 · 2018 AMC 12B

Question 4

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?
  1. $25\pi$
  2. $50\pi$
  3. $75\pi$
  4. $100\pi$
  5. $125\pi$