if the diameter of a semicircular protractor is 14 cm , then find its perimeter
Answers
Answered by
11
Answer:
diameter = 14cm
radius = 7cm
perimeter of semicircle = πr +2r
= 22/7×7+2×7
= 22 +14
= 36cm
Answered by
6
Answer:
Perimeter of semicircle = pi*r + 2r
Since d= 14cm
=r = d/2 = 14/2cm
= 7cm.
P= 22/7 × 7cm + 2*7cm
= 22cm + 14cm
= 36cm.
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