Area of Circle
Circumference of Circle
Area Composite Figures
100

Find the area of a circle with radius of 2 ft

12.56

100

The diameter of a circle is 2 inches. What is the circle's circumference?

6.28 in

100


119 ft^2

200

Find the area of a circle with radius of 6 inches

113.04 in^2

200

The diameter of a circle is 4 millimeters. What is the circle's circumference?

12.56mm

200


132 km^2

300

Find the area of a circle with diameter 17 inches

226.86 in^2

300

The circumference of a circle is 31.4 kilometers. What is the circle's diameter?

10 km

300

The figure (not drawn to scale) consists of a semicircle, one large rectangle, and one small rectangle, with dimensions as shown.  The width of the small rectangle is 3 feet and its length is 3 times the width. What is the area of the unshaded region?

 

899.625 ft^2

400

Find the area of a circle with circumference 51 inches 

207.06in^2

400

The circumference of a circle is 125.6 yards. What is the circle's radius?

20 yards

400

The straightaway on each side measures 1,000 meters.  The curves are semicircles with diameter 74 meters.  What is the area in meters, of the entire track?

 

78,298.66 m^2

500

Sam built a circular fenced-in section for some of his animals.  The section has a circumference of 55 meters.  What is the approximate area, in square meters, of the section?  Use 22/7 for pi.

240.625m^2 or 240.84m^2

500

The circumference of a circle is 125.6 centimeters. What is the circle's diameter?

40cm

500

Find the area

136.235 ft^2

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