Question

Find the area of the figure. If you need to use Pi in your computation, approximate its value as 3.14. Round to the nearest hundredth.
Rectangle topped by a semicircle

a.
45.12 sq. in.
b.
21.57 sq. in
c.
32.56 sq. in.
d.
26.28 sq. in.

Answer 1

Answer:

area of figure= area of rectangle+area of semi-circle

area of rectangle= length ×width

5×4

= 20in²

area of semi circle= 1/2πr²

1/2×22/7×2×2

22×2

7

44

7

= 6.29in²

area of figure= 20+6.29

= 26.29in²