BC is the diameter of the semicircle. The area of rectangle ABCD is 20 and the length of line AB is 5.What is the area of the semicircle?

Question

asked Aug 25, 2024 99.3k views

1 Answer

Radek Suski · Answer 1 · 2024-08-30T18:43:53+0000

Answer:

2
$\pi$
units^(2)

Explanation:

BC is equal to 4 because 5*4=20.

The radius is 2. The equation for the area of a circle is
$\pi r^2$ .

Therefore, if we plug in 2 we will get
$4\pi$ .

But then we divide by 2 to get 2
$\pi$
units^(2) as our answer.

Hope this helped! :)