Question

what is perimeter of cicle an semicircle, radius 7 cm
pls tell

Answer 1

Answer:

22cm²

Step-by-step explanation:

given: r=7cm

 perimeter of a semicircle=2(pi)r/2

                                               (pi)r

                                             =22/7*7

                                             =22cm²

Answer 2

22 is your answer
Here are the steps
1. The perimeter of circle is 2(22/7)r
2. so the semicircle is 22/7(r)
3.substitute the r by 7
4. 22 is your answer