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Earn +20 ptsQ: If a diameter of the semicircle is 14cmfind its perimeter?
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How do you find the perimeter of a shape that has a semicircle?
To find the perimeter of the curved section of the semi-circle: Perimeter of semicircle = Pi x radius If you also need to the find the perimeter of the straight part of the semicircle (the diameter), it is simply double the radius.
What is the formula for the perimeter of a semicircle?
If you are given the diameter 'D' of the circle: the full circumference is (pi times D) the perimeter of the semicircle is half this plus the diameter Therefore: Pi x D /2 + D
How do you find the perimeter of a semicircle if its diameter is 45 cm?
Perimeter of the semicircle including its base: 180/360*pi*45+45 = 115.686 cm rounded to 3 decimal places
How do you find the diameter of a semicircle when radius is given?
The diameter of the semicircle will be twice the radius.
What is the perimeter of a semicircle that has a diameter of 4.9 m?
It is: (4.9*pi)/2 + 4.9 = 12.597 m rounded to 3 decimal places
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