Skip to content / Đến nội dung
ThichHocToan.com

2017 AMC 8 Question 25

AMC8 · 2017 AMC 8

Question 25

In the figure shown, $\overline{US}$ and $\overline{UT}$ are line segments each of length $2,$ and $m\angle TUS = 60^\circ.$

Arcs $\overset{\large\frown}{TR}$ and $\overset{\large\frown}{SR}$ are each one-sixth of a circle with radius $2.$ What is the area of the region shown?

Question illustration
  1. $ 3\sqrt{3}-\pi $
  2. $ 4\sqrt{3}-\dfrac{4\pi}{3} $
  3. $ 2\sqrt{3} $
  4. $ 4\sqrt{3}-\dfrac{2\pi}{3} $
  5. $ 4+\dfrac{4\pi}{3} $