Area of a Circle and a Sector Answers
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Circle G is shown. Line segment F G is a radius with length 3.
A
6
B
9C
12D
1822
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The measure of central angle XYZ is 1.25 radians.
1
10 units22
20 units24
40 units28
80 units223
The area of circle Z is 64 ft2.
A
r = 4 ftB
r = 8 ftC
r = 16 ftD
r = 32 ft24
two
T
The area of the circle depends on the square of the radius.T
The area of circle D is 36.T
The area of circle D is 324T
The area of the circle depends on the square of pi.T
The area of the circle depends on the central angle.25
The measure of central angle YCZ is 80 degrees.
A
18 units2B
36 units2C
45 units2D
81 units226
The circular face of a watch has an area that measures between 800 and 900 square millimeters.What could be the radius of the watch face? Use 3.14 for .
A
14 mmB
15 mmC
16 mmD
17 mm27
In the figure, angle ZYX is measured in degrees. The area of the shaded sector can be determined using the formula .
T
The central angle measure of the sector divided by the total angle measure of a circle multiplied by the area of the circle will yield the area of the sector.T
The central angle measure of the sector divided by the total angle measure of a circle multiplied by the circumference of the circle will yield the area of the sector.T
The central angle measure of the sector multiplied by the area of the circle will yield the area of the sector.T
The central angle measure of the sector multiplied by the circumference of the circle will yield the area of the sector.Did you find these answers helpful?
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