Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A wire is bent to form four semicircles. How long is the wire?  a. | about 979.68 cm | c. | about 734.76 cm | b. | about 312 cm | d. | about 489.84 cm |
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Find the perimeter.
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2.
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a. | 40 in. | c. | 77 in. | b. | 63 in. | d. | 55 in. |
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3.
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a. | 113.23 in. | c. | 78 in. | b. | 72.41 in. | d. | 73.51 in. |
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Find the area of the circle. Use 3.14 or  for  .
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4.
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a. | about 270.04  | c. | about 5,805.86  | b. | about 5,806.86  | d. | about 1,451.47  |
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5.
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a. | about 4.5216  | c. | about 3.768  | b. | about 1.1304  | d. | about 2.2404  |
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6.
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Find the area of a circle with a diameter of 39 millimeters.
a. | about 4,775.94  | c. | about 1,193.985  | b. | about 122.46  | d. | about 1,195.095  |
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7.
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The West Lighthouse lights up how much more area than the East
Lighthouse?   a. | about 7,376.97  | c. | about 7,375.86  | b. | about 1,843.965  | d. | about 169.56  |
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Find the area.
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8.
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a. | 2004.87  | c. | 622.16  | b. | 518.54  | d. | 2003.76  |
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9.
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a. | 6,484.5  | c. | 7,573.5  | b. | 4,339.5  | d. | 4,340.61  |
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10.
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a. | 3,621.8925  | c. | 2,601  | b. | 1,580.1075  | d. | 1,581.2175  |
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11.
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The figure is made up of a square and a rectangle. Find the area of the shaded
region.  a. | 79.3 ft2 | c. | 75 ft2 | b. | 65 ft2 | d. | 66.11
ft2 |
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Numeric Response
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Find the radius.
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1.
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Find the circumference. Use 3.14 or  for  .
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2.
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Short Answer
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Find the circumferences of both circles.
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2.
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