prueba 1 Assume that lines that appear to be tangent are ......Aug 19, 2017 · prueba Name:_____...
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prueba Name:_______________________ Date:_______________________ ______________________________________________________________________________ 1 Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. Figures are not drawn to scale. angle O = 111° A 249 B 69 C 55.5 D 222 2 Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. Figures are not drawn to scale. angle P = 12° A 78 B 39 C 102 D 24 ______________________________________________________________________________________________ Copyright © Pearson Education, Inc. or its affiliates. All Rights Reserved. Page 1 of 21
Transcript of prueba 1 Assume that lines that appear to be tangent are ......Aug 19, 2017 · prueba Name:_____...
prueba Name:_______________________
Date:_______________________
______________________________________________________________________________
1 Assume that lines that appear to be tangent are tangent. O is the center of the circle. Findthe value of x. Figures are not drawn to scale.
angle O = 111°
A 249B 69C 55.5D 222
2 Assume that lines that appear to be tangent are tangent. O is the center of the circle. Findthe value of x. Figures are not drawn to scale.
angle P = 12°
A 78B 39C 102D 24
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3 Line segment BC is tangent to circle A at B and to circle D at C (not drawn to scale).AB = 7, BC = 18, and DC = 5. Find AD to the nearest tenth.
A 18.7B 18.1C 21.6D 19.3
4 Line segment AB is tangent to circle O at B. Find the length of the radius r for AB = 5 andAO = 8.6. Round to the nearest tenth if necessary. The diagram is not to scale.
A 9.9B 7C 13D 3.6
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5 A chain fits tightly around two gears as shown. The distance between the centers of thegears is 20 inches. The radius of the larger gear is 11 inches. Find the radius of thesmaller gear. Round your answer to the nearest tenth, if necessary. The diagram is not toscale.
A 17.2 inchesB 6.2 inchesC 11 inchesD 4.8 inches
6 Line segments JK, KL, and LJ are all tangent to O (not drawn to scale). JA = 9, AL = 10, andCK = 14. Find the perimeter of triangle JKL.
A 66B 38C 46D 33
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7 Pentagon RSTUV is circumscribed about a circle. Solve for x for RS = 10, ST = 13,TU = 11, UV = 12, and VR = 12. The figure is not drawn to scale.
A 4B 8C 11D 6
8 In the figure, PA and PB are tangent to circle O and PD bisects angle BPA. The figure isnot drawn to scale.
For angle AOC = 50, find angle BPO.
A 40B 50C 65D 140
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9For circle O, what does appear to be?
A a diameterB a radiusC a tangentD a chord
10 m S = 36°, m(arc RS) = 118°, and is tangent to the circle at R. Find m U.(The figure is not drawn to scale.)
A 23°B 82°C 46°D 41°
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11 In the figure, and are tangent to circle O and bisects . The figure is notdrawn to scale.
For = 46°, find .
A 23°B 90°C 46°D 68°
12 What appears to have been constructed below?
A the perpendicular bisector of segment AB
B a segment tangent to circle A at point BC diameter AB
D a chord of circle A
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13 and are tangents to O at points X and Y respectively. Which statement is not
necessarily true?
ABCD
14 For circle A,
MN = 6 feetFind the value of x. If necessary, round your answer to the nearest tenth. The figure is notdrawn to scale.
A 12 ftB 36 ftC 6 ftD 3 ft
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15 For circle P, find the value of x. If necessary, round your answer to the nearest tenth. Thefigure is not drawn to scale.
A 13B 26C 77D 38.5
16 For the circle, find the value of x. If necessary, round your answer to the nearest tenth. Thefigure is not drawn to scale.
A 8B 5C 6D 10
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17 For the circle, find the value of x. If necessary, round your answer to the nearest tenth. Thefigure is not drawn to scale.
A 21.9B 181.3C 24D 13.5
18 Circle O is congruent to Circle P. What can you conclude from the diagram?
A arc CAB arc FDE
B arc DF arc AC
C arc AB arc DE
D none of these
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19 Use the diagram.
is a diameter.
.
Find the measure of angle CAP if the measure of angle CBD = 66°.
A 73.5°B 114°C 132°D 57°
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20 Use the diagram.
is a diameter.
.
Which statement is NOT true?
A arc AC arc BD
BCD
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21 Use the diagram.
is a diameter.
.
Find m(arc BD) if m(arc AC) = 43°.
A 137°B 133°C 86°D 47°
22 The radius of circle O is 18, and OC = 13. Find AB. Round to the nearest tenth, ifnecessary. The figure is not drawn to scale.
A 12.4B 3.8C 24.9D 44.4
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23 What is the value of d in circle X below?
A 13.5B 27C 40.5D 54
24 In circle O pictured below, what is the length of a?
A 4B 4.5C 9D 8
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25 Find the value of x. If necessary, round your answer to the nearest tenth. The figure is notdrawn to scale.
Circle O, , , FG = 40, RS = 37, OP = 19
A 27.2B 18.5C 19D 20.5
26 and are diameters. Find the measure of arc ZWX. (The figure is not drawn to scale.)
A 226B 275C 39D 321
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27 In circle O, what is the value of b rounded to the nearest tenth?
A 14.0B 16.1C 19.2D 32.2
28 For circle O, angle R = 22°. Find angle O. The figure is not drawn to scale.
A 68°B 22°C 158°D 44°
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29 Given that angle DAB and angle DCB are right angles and angle BDC = 41°, what is themeasure of arc CAD? The figure is not drawn to scale.
A 164°B 303°C 246°D 262°
30 Find the measures of the indicated angles in circle O. Which statement is NOT true? Thefigure is not drawn to scale.
A a = 53°B b = 106°C c = 73°D d = 37°
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31 Find the measure of angle BAC in circle O. The figure is not drawn to scale.
A 57°B 28.5°C 33°D 114°
32 Find x in circle O. The figure is not drawn to scale.
A 92°B 44°C 23°D 46°
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33 Find angle BAC in circle O. The figure is not drawn to scale.
A 114°B 57°C 132°D 33°
34 Line segment BD is tangent to circle O at C, m(arc AEC) = 279°, and angle ACE = 85°.Find angle DCE. The figure is not drawn to scale.
A 109°B 97°C 54.5°D 48.5°
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35 If m(arc BY) = 40°, what is angle YAC in circle O? The figure is not drawn to scale.
A 140°B 100°C 70°D 80°
36 In the circle, m(arc AD) = 94°, and angle D = 76°. Find angle DCQ.The figure is not drawn to scale.
A 57°B 95°C 190°D 114°
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37 Find the measure of BAC. (The figure is not drawn to scale.)
A 57°B 28.5°C 33°D 114°
38, and is tangent to the circle at P. What is m Q?
A 34B 62C 22D 28
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39 What is the measure of arc HI?
ABCD
40 What is the measure of ?
ABCD
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