Question

Workout the area of a semicircle with a radius of 3cm. Give your answer in terms of pi

Answer 1

Explanation:

area=22/7*25

are =(22/7*25

area=(3.14*25

area 39.25

Answer 2

The area of a circle is PI x r^2

Area = PI x 3^2

Area = 9PI

A semicircle is 1/2 a full circle

Area of the semicircle can be written as 9/2PI or 4.5PI cm^2