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Earn +20 ptsQ: What is the area of a circle with radius 4 centimeters?
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What is a diameter of 8 centimeters?
A diameter of 8 centimeters means that a line drawn through the center of a circle from one edge to the other measures 8 centimeters. A circle with a diameter of 8 centimeters has a radius of 4 centimeters, an area of 16*pi centimeters, and a circumference of 8 * pi centimeters.
What is the area of a circle with a radius of 4cm?
50.24... the formula to calculate the area of a circle - is Pi x radius x radius Therefore 3.14 x 4 x 4 = 50.24
What is a reasonable estimate for the area of a circle with radius 4cm?
area of a circle is pi x radius^2 so... pi x 4^2 = about 50 cm
The area of a circle is 113.04 in. 2. What is the radius of the circle?
Radius of circle: square root of (113.04/pi) = 5.9985 inches rounded to 4 decimal places
Sq ft of a 4' radius circle?
The area of a circle is calculated as A = Pi x r2 where A is area Pi is approximately 3.1415926 r is the radius A = 3.1415926 x 16 = 50.2654816
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