if the diameter of a semi circle protracter is 14 cm then find the perimeter
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Answer: 22 cm
Step-by-step explanation:
Diameter of semi circle = 14 cm
Radius of semi circle = d/2 = 14/2
= 7 cm
Perimeter of semi circle = πr
= 22/7 × 7
= 22 cm
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D=14cm r=d/2 r=7cm
Perimeter of circle is 2πr
perimeter of semicircle is 2πr/2=πr
perimeter of semicircle is πr
=22/7×7
=22cm
Perimeter of circle is 2πr
perimeter of semicircle is 2πr/2=πr
perimeter of semicircle is πr
=22/7×7
=22cm
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