Question

Find the area of the figure. If you need to use Pi in your computation, approximate its value as 3.14.

Rectangle topped by a semicircle

a.
130.24 sq. in.
b.
105.12 sq. in.
c.
83.14 sq. in.
d.
180.48 sq. in.

Answer 1

b. 105.12 in²

Explanation:

A= 1/2 πr² +ab

• a= 8 in
• b= 10 in
• r=8/2= 4 in
• A= 1/2*3.14*4² + 8*10= 105.12 in²