Respuesta :

giosfish85

Answer:

25.1325

Step-by-step explanation:

A=[tex]\pi[/tex]r^2

radius is half of 8

A=[tex]\pi[/tex]4^2

solve gets 50.265

then divide by 2

25.1325

DrippQueenMo

Answer:

25.12 cm2

Step-by-step explanation:

The area of a semicircle is half of the area of the circle. As the area of a circle is πr2. So, the area of a semicircle is 1/2(πr2 ), where r is the radius. The value of π is 3.14 or 22/7.

A = πr²/2 = 8 * π [in²] ≈ 25.1327 [in²]