Parabolas (Sec 9-4) — Unit test Answers
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Circle B is shown. Line segments C B, D B, and E B are radii. Angle C B E is 52 degrees and angle E B D is 160 degrees.
A
106°B
108°C
148°D
212°22
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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.23
A regular polygon is drawn in a circle so that each vertex is on the circle and is connected to the center by a radius. Each of the central angles has a measure of 40°. How many sides does the polygon have?
A
8B
9C
10D
1224
Line segment ON is perpendicular to line segment ML, and PN = 10.
A
200 square unitsB
250 square unitsC
300 square unitsD
500 square units25
In circle O, and are diameters. Arc ED measures 17°.
A
107°B
180°C
253°D
270°26
Triangle BCD is isosceles and BC ≅ BD.
A
100°B
120°C
130°D
160°Did you find these answers helpful?
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