Equation of a Circle — Unit test Answers
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A circular table top has a radius of 24 inches.What is the area of the table top, to the nearest square inch? Use 3.14 for .
A
75 in.2B
151 in.2C
1809 in.2D
7235 in.22
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Points D, E, and F are on circle C and EF ≅ DF.
A
14°B
19°C
26°D
38°3
Which statements about the clock are accurate? Select three options.
A
The central angle formed when one hand points at 1 and the other hand points at 3 is 30°.B
The circumference of the clock is approximately 62.8 inches.C
The minor arc measure when one hand points at 12 and the other hand points at 4 is 120°.D
The length of the major arc between 3 and 10 is approximately 31.4 inches.E
The length of the minor arc between 6 and 7 is approximately 5.2 inches.4
Circle O is shown. Line segments C O And A O are radii. Lines are drawn from points C and A to point B to form chords B C and B A. Angle C B A is 80 degrees.
A
140°B
150°C
160°D
170°5
What is the center of a circle represented by the equation (x+9)2+(y−6)2=102?
A
(−9,6)B
(−6,9)C
(6,−9)D
(9,−6)6
Circle O has a circumference of approximately 28.3 cm.
A
4.5 cmB
9.0 cmC
14.2 cmD
28.3 cm7
Angle G is a circumscribed angle of circle E.
A
x° + x°B
x° + 90°C
180° – x°D
180° – 2x°8
Points A, B, C, and D lie on circle M. Line segment BD is a diameter. The measure of arc CD equals the measure of arc DA.
A
22.5°B
30.0°C
45.0°D
67.5°Did you find these answers helpful?
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