Question

The diameter of a protractor is 14 cm, then its perimeter is 36 cm.

true or false?

Answer 1

Answer:

FALSE

Step-by-step explanation:

d=14 cm

=>r=7cm

perimeter of semi circle =

$\pi \times r$

=> perimeter is approx to 22 cm

HOPE IT HELPS

Answer 2

Answer:

False

Step-by-step explanation:

r=7cm

perimeter of half circle = (1/2)(pie)(r)(r)

= 1/2 × 22/7×7×7

= 1×11×7

= 77cm

therefore, perimeter is 36cm (false)