State true or false.
If the diameter of a semi-circular protractor is 14 cm then the perimeter will be 36 cm(Approx.)
35
Diameter = 14 cm
Perimeter of semi circle = π × r = 227 x 7 = 21.99 cm
Total perimeter of protractor is = 21.99 + 14 = 35.99 cm ~ 36 cm.