Question

If the perimeter of a semicircular protractor is 36cm,find its diameter​

Answer 1

Step-by-step explanation:

Answer. ⇒ r = 7 cm. ∴ The diameter of the protractor is (2 × 7) cm = 14 cm.

Answer 2

Answer:

14cm

Step-by-step explanation:

Perimeter of semicircle = Pi.r + d

Given--->

Pi.r + d = 36

r(Pi + 2) = 36

r (36/7) = 36

r = 7

Diameter = 2r = 14cm