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Solved Examples
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 e   A circular park of radius 31 m has a path of width 4 m along the inner circumference. What is the area of the path?   e View Solution
 e   What is the area of the circle with a circumference of 38 ft? [Use π = 3.14]   e View Solution
 e   The diameter of a small pizza is 10 inches. What is its area? [Use π = 3.14.]   e View Solution
 e   What is the area of a circular field with a radius of 1.6 yd? [Use π = 3.14.]   e View Solution
 e   The circumference of a circular swimming pool at its bottom is 69 ft. What is the area of the bottom of the pool?[Use π = 3.14.]   e View Solution
 e   A goat is tethered to a stake with a 5 m rope. The goat can graze to the full length of the rope and 360° around the stake. What is the area of the circle in which the goat can graze? [Use π = 3.14.]   e View Solution
 e   A circular cake is cut into equal pieces in such a way that each piece makes an angle of 15o at the center. Find the number of pieces that are cut.   e View Solution
 e   Henry used a compass to draw a circle. If the point of the compass is 7 cm from the point of the pencil, then what is the area of the circle? (Use 3.14 for π.)   e View Solution
 e   What is the area of a disk, if its diameter is 12 in.?   e View Solution
 e   The diameter of a nickel is 22 mm. Estimate the area of the nickel to the nearest millimeter. [Use π = 3.]   e View Solution
 e   What is area of the figure, if r is 3 in.?   e View Solution
 e   If the radius of a circle is increased by 2 times, then by how many times will its area increase?   e View Solution
 e   The diameter of a small pizza is 8 inches. What is its area? [Use π = 3.14.]   e View Solution
 e   The circumference of a circular swimming pool at its bottom is 93 ft. What is the area of the bottom of the pool?[Use π = 3.14.]   e View Solution
 e   The diameter of a nickel is 23 mm. Estimate the area of the nickel to the nearest millimeter. [Use π = 3.]   e View Solution
 e   What is the area of the circle with a circumference of 30 ft? [Use π = 3.14]   e View Solution
 e   A circular park of radius 49 m has a path of width 5 m along the inner circumference. What is the area of the path?   e View Solution
 e   The diameter of a small pizza is 6 inches. What is its area? [Use π = 3.14.]   e View Solution
 e   What is the area of a circular field with a radius of 1.9 yd? [Use π = 3.14.]   e View Solution
 e   The circumference of a circular swimming pool at its bottom is 99 ft. What is the area of the bottom of the pool?[Use π = 3.14.]   e View Solution
 e   What is the radius of the circle?   e View Solution
 e   What is the area of the colored region in the figure? [Use π = 3.14.]   e View Solution
 e   What is the area of the colored region in the figure? [Use π = 3.14.]   e View Solution
 e   A goat is tethered to a stake with a 3 m rope. The goat can graze to the full length of the rope and 360° around the stake. What is the area of the circle in which the goat can graze? [Use π = 3.14.]   e View Solution
 e   A circular cake is cut into equal pieces in such a way that each piece makes an angle of 30o at the center. Find the number of pieces that are cut.   e View Solution
 e   Ethan used a compass to draw a circle. If the point of the compass is 7 cm from the point of the pencil, then what is the area of the circle? (Use 3.14 for π.) ccc View Solution
 ccc What is the area of a disk, if its diameter is 14 in.? ccc View Solution
 ccc The diameter of a nickel is 25 mm. Estimate the area of the nickel to the nearest millimeter. [Use π = 3.] ccc View Solution
 ccc A semicircle is cut out of a square as shown. What is the area of the resulting figure? ccc View Solution
 ccc If you require 320 ft of fence to enclose the children's playground, then what is the maximum area of the playground? ccc View Solution
 ccc What is the area of the colored region in the figure? ccc View Solution
 ccc What is area of the figure, if r is 5 in.? ccc View Solution
 ccc If the radius of a circle is increased by 4 times, then by how many times will its area increase? ccc View Solution
 ccc What is the area of the shaded region in the figure?[Use π = 3.14] ccc View Solution
 ccc What is the area of the colored region in the figure? [Use π = 3.14.] ccc View Solution
 ccc What is the area of the colored region in the figure? [Use π = 3.14.] ccc View Solution
 ccc A semicircle is cut out of a square as shown. What is the area of the resulting figure? ccc View Solution
 ccc What is the area of the colored region in the figure? ccc View Solution
 ccc What is area of the figure, if r is 2 in.? ccc View Solution