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Earn +20 ptsQ: What is the circumference to r equals 12cm?
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What is the circumference of a r equals 2 cm circle?
Circumference = 2*pi*r = 12.566 cm (approx)
What is the circumference of r equals 13cm?
Something that goes around
What is the circumference of r equals 6inches?
circumference = 2*pi*6 = 37.699 inches to 3 decimal places
What is the circumference if a circle with a diameter of 12cm?
Circumference: 12*pi = 37.699 cm rounded to three decimal places
What is the area of a circle with the side length of 12cm and a perimeter of 12cm?
A circle has no "sides". The "perimeter" of a circle is usually referred to as the circle's "circumference", i.e. the distance around it. The circumference of a circle is [ 2 pi R ], where 'R' is the distance from the center of the circle to its curve. If the circumference of a circle is 12, then 12 = [ 2 pi R ]. R = [ 12 / 2 pi ] = [ 6/pi ]. The area of a circle is [ pi R2 ]. If R = 6/pi, then the area is [ pi R2 ] = [ pi x (6/pi)2 ] = [ pi x 36 / pi2 ] = ( 36/pi ) = 11.459 square centimeters (rounded).
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