Question

If the diameterof a protractor is 7cm,then find its perimeter

Answer 1

Answer:

11 cm is the correct one.

Step-by-step explanation:

perimeter of semi circle = 1/2(πd)

so, = 1/2(22/7×7)

= 11 cm

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Answer 2

Answer:

Given :

Diameter of semicircular protractor = 7 cm

To find :

Perimeter of semicircular protractor.

Find the perimeter of semicircular protractor :-

Perimeter of semicircle

So,

Perimeter of semicircular protractor is 18 cm