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# i need help

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What is the perimeter of a semi circle that has a diameter of 10 in

Guest May 22, 2017

#1
+4164
+1

The perimeter will be half the circumference of a circle with a diamteter of 10 inches, plus 10 inches to account for the straight edge.

perimeter = (1/2)(circumference of circle with diameter of 10 in) + 10 in

perimeter = (1/2)(π * 10 in) + 10 in

perimeter = 5π in  + 10 in

perimeter ≈ 25.708    in

hectictar  May 22, 2017
Sort:

#1
+4164
+1

The perimeter will be half the circumference of a circle with a diamteter of 10 inches, plus 10 inches to account for the straight edge.

perimeter = (1/2)(circumference of circle with diameter of 10 in) + 10 in

perimeter = (1/2)(π * 10 in) + 10 in

perimeter = 5π in  + 10 in

perimeter ≈ 25.708    in

hectictar  May 22, 2017

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