the diameter of a semicircular protractor is 7cm. Find it's perimeter
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0
Answer:
25cm
Step-by-step explanation:
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1
Answer:
18 cm
Step-by-step explanation:
Diameter= 7 cm
Formula to find perimeter of a semi-circle= d/2(π+2)
= 7/2(22/7 + 2)
=3.5 x 36/7
= 18 cm
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