Hurry
what is the best approximation for the perimeter of a semicircle with a diameter of 12 cm? use 3.14 to approximate pi.

Answer with Step-by-step explanation:

The perimeter(P) of a semi circle is given by:

P=πr+2r

where r is the radius of the semicircle

r=d/2 where d is the diameter

We are given diameter=12 cm

⇒ Radius= 12/2

               = 6 cm

Perimeter=3.14×6+2×6

               =18.84+12

              =30.84 cm

Hence, best approximation for the perimeter of a semicircle with a diameter of 12 cm is:

30.84 cm

it 2

step-by-step explanation:

8^1/3=2

what is the original number? you forgot to add it.