Round to 7 the nearest tenth if necessary ft 0 cm 5. 7 7 C 88 The circumference of the circle is about 88 inches. If the radius of a circle is 14 inches, what is its circumference? C r C 14 Use for. The circumference of the circle is about 3.55 centimeters. radius center circumference diameter Find the circumference of a circle with a diameter of 7.5 centimeters. The circumference C of a circle is equal to its diameter d times, or times its radius r times. The circumference C is the distance around the circle. The radius r is the distance from the center to any point on the circle. The diameter d is the distance across the circle through its center. 1 Study Guide and Intervention Geometry: Circles and Circumference A circle is the set of all points in a plane that are the same distance from a given point, called the center.
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