the diameter of a semicircle protector is 7 cm find its perimeter
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Answered by
11
perimeter = pie r +d
=22/7×7/2 +7
=11+7
=18cm
=22/7×7/2 +7
=11+7
=18cm
Answered by
5
Diameter of semicircular protractor = 7cmRadius = 7 cmPerimeter = 2∏r/2 + 2r = ∏r + 2r= ∏ (7) + 2 (7)= 22x 7/7 + 7= 22 + 7= 29 cm
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