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Mathematics
Areli Love
30 January, 23:15
How to find perimeter of semicircle
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Cello
31 January, 02:23
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1/2 π * d + d where d is the diagonal
Step-by-step explanation:
The perimeter of a circle is π * d where d is the diameter so half of that is 1/2 π * d. But If you are going to walk around a semicircle you need to go half way around the circle and then across a diagonal to get back to where you started so the perimeter is 1/2 π * d + d.
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