Question

Find the perimeter of a semi - circle including its diameter 12 cm​

Answer 1

Answer:

πr+d = 3.14 X 6+12= 30.84cm

Step-by-step explanation:

Perimeter of semicircle is half the circumference + it's diameter

So,

= 2πr/2(Half of circumference) + Diameter

= 2x3.14x6/2 + 12

= 3.14x6 + 12

= 18.84 + 12

= 30.84 cm

Hope this helps you

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