Question

Kirin is designing a doghouse. The base of the doghouse will be made of wood and shaped like a rectangle with a half-circle on each side as shown below. How much wood will Kirin need to build the base of the doghouse? Use 3.14 for π and round your answer to the nearest foot. Show all work.

Answer 1

EASY WAY

Explanation:

Length of rectangle= 13 feet

base of semi circle/ rectangle breadth = 1.6 feet

area =

13 into 1.6

=20.8f

semi circle= 1/2 pie r 2

1/2 x 3.14 x 0.8 x square

=1.577536 f

1.577-20.8=the wood =19.22 feet 2