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A circle is a closed curve in a plane. All of its points are an equal distance from its center.
A diameter is a line segment that has both of its endpoints on the circle and passes through the center.
A radius is the distance from the center to any point on the circle.
The circumference is the distance around a circle.
If the circumference of the circle is 24 inches, what is its diameter?
If the radius of the circle is 8.5 meters, what is its circumference?
If the circumference of the circle is 42 cm, what is its radius?
A sector is a portion of a circle enclosed by two radii and the arc which they intercept.
Base= ½ of the Circumference = r Height = radius A = r² A = r²
Find the area of the circle if the radius is 2.5 centimeters. r = 2.5 cm
Find the area of the circle if the diameter is 9 meters. d = 9 m
Find the area of the circle if the circumference is 28 feet.
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