Question

The diameter of a semicircular protactor is 7cm. Find its perimeter.

Answer 1

the perimeter of the protractor=22/7×7/2+2×7
11+14
25 cm

Answer 2

HI FRIEND


Perimeter of a semicircle
=pi*r+daimeter

=22/7 * 3.5 + 7
=11 +7 = 18

.: perimeter of semicircle = 18 cm