Question

Find the perimeter of the semicircular region. Round your answer to the nearest hundredth. 9 m The perimeter is about meters​

Answer 1

about 23.14 m.

Explanation:

1/2(pi)(d). d=9.

so,

1/2(pi)(9)=4.5pim

then

4.5(pi)+9 is about 23.14m