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64 ft
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What is the circumference of a circle with a 10 ft diameter?
The circumference of any circle is (pi) x (the circle's diameter).
What is the diameter of a circle with a 10 foot circumference?
diameter = circumference ÷ π = 10 ft ÷ π ≈ 3.18 ft
What is circumference of a 24 ft diameter circle?
24 pi or about 75.4
What would the perimeter of a 20ft semicircle be?
That depends on what you mean by a "20 ft semicircle".A semi-circle is a half circle.A 20 ft circle could be:A circle of diameter 20 ftThe perimeter of the semicircle is half the circumference plus the diameter → perimeter = 1/2π 20 ft + 20 ft= 10π + 20 ft≈ 51.42 ftA circle of radius 20 ftThe perimeter of the semicircle is half the circumference plus double the radius → perimeter = 1/2 2π 20 ft + 2 x 20 ft= 20π + 40 ft≈ 102.08 ftA circle of circumference 20 ftThe perimeter of the semicircle is half the circumference plus the diameter → perimeter = 1/2 20 ft + 20 ft ÷ π= 10 ft + 20/π ft≈ 16.37 ftHowever, if a 20 ft circle is a circle with a circumference (= perimeter) of 20 ft then a 20 ft semi-circle could be a semicircle with a perimeter of 20 ft→ perimeter = 20 ft
What is the circumference of an 8 ft circle?
The circumference of an 8 ft circle is: 25.1 feet.
