Question

find the perimeter of a semi circle if it diameter is 14 cm​

Answer 1

Answer:

Step-by-step explanation:

Diameter of the semicircular protractor =14cm

Radius =  

2

14

​  

cm=7cm

Perimeter of semicircle =πr+d

Perimeter of semicircular protractor =  

7

22

​  

×7+14=22+14=36cm

The perimeter of the semicircular protractor is 36cm.