2025 AMC 10A Question 10 - thichhoctoan.com

Question 10

A semicircle has diameter $AB$ and chord $CD$ of length $16$ parallel to $AB.$ A smaller semicircle with diameter on $AB$ and tangent to $CD$ is cut from the larger semicircle, as shown below.

Question illustration

What is the area of the resulting figure, shown shaded?

$16\pi$
$24\pi$
$32\pi$
$48\pi$
$64\pi$