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Q: What is the value and perimeter if the circumference of a circle if it is 3 ft?

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The perimeter and circumference of a circle are the same thing.

The word perimeter means the distance around the outside of an object. The perimeter of a circle has a special name. We call it the circumference. The perimeter of this circle, or circumference, is 25 ft.

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

24*pi or 2*pi*12 The perimeter of a circle is its circumference.

The circumference of a 30 ft circle is: 94.2 feet.

The circumference of an 8 ft circle is: 25.1 feet.

If you mean the circumference or "perimeter": C = 2(pi)r, where r is the radius of the circle

Circumference of a circle is pi multiplied by the diameter. If the diameter of the circle is 11 ft, the circumference is: 3.14 x 11 ft = 34.54 ft

The circumference of a circle with the diameter of 14 ft is: 44 feet.

the circumfrence of a circle is pi times it's radius squared.

The circumference of a 12 ft circle is: 37.7 feet.

The circumference of a circle with a diameter of 10 ft is: 31.42 feet (diameter x Pi = circumference).

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