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| 1 | |
Which statement is true? |
| | A) | The inscribed angle subtended by an arc measuring one-quarter of a circle measures 90°. |
| | B) | The central angle subtended by an arc measuring one-half of a circle measures 90°. |
| | C) | The inscribed angle subtended by a diameter of a circle measures 90°. |
| | D) | The central angle subtended by a diameter of a circle measures 90°. |
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| 2 | |
Determine the measure of ∠A.
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| | A) | 36° |
| | B) | 48° |
| | C) | 72° |
| | D) | 144° |
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| 3 | |
A circle has a radius of 5 cm. The length of the chord DE is 6 cm. What is the measure of x?
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973407/645442/ML9_ch10_quiz_Q3.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>]]> |
| | A) | 3 cm |
| | B) | 4 cm |
| | C) | 6 cm |
| | D) | 8 cm |
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| 4 | |
Line segment FG is tangent to the circle at H. ∠HIJ measures 19°. What is the measure of ∠CGH?
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| | A) | 19° |
| | B) | 38° |
| | C) | 42° |
| | D) | 52° |
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| 5 | |
The chord of a circle is 24 cm long. The radius of the circle is 13 cm. How far is the midpoint of the chord from the centre of the circle? |
| | A) | 5 cm |
| | B) | 11 cm |
| | C) | 12 cm |
| | D) | 13 cm |
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| 6 | |
A circle has a diameter of 20 cm. A chord with a length of 16 cm is drawn. What is the shortest distance from the midpoint of the chord to the circumference of the circle? |
| | A) | 4 cm |
| | B) | 6 cm |
| | C) | 8 cm |
| | D) | 10 cm |
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| 7 | |
A ship was sailing west. When it was due north of a radar station, it was 7 km from the station. It continued sailing west for 24 km. How far was it from the station at that time? |
| | A) | 14 km |
| | B) | 24 km |
| | C) | 25 km |
| | D) | 48 km |
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| 8 | |
How can you find the centre of a circle? |
| | A) | Draw any two tangents, and determine where they intersect. |
| | B) | Draw any two non-parallel tangents, and determine where they intersect. |
| | C) | Draw any two chords and their perpendicular bisectors. Determine where the bisectors intersect. |
| | D) | Draw any two non-parallel chords and their perpendicular bisectors. Determine where the bisectors intersect. |
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| 9 | |
Andelko measured the largest chord on his slice of pizza, and found it was 20 cm long. From the midpoint of the chord to the outside of the pizza, the shortest distance was 2 cm. What was the diameter of the pizza? |
| | A) | 60 cm |
| | B) | 52 cm |
| | C) | 48 cm |
| | D) | 26 cm |
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| 10 | |
Line segment AB is tangent to a Ferris wheel at point C. ∠DBC measures 40°. What is the measure of ∠BEC?
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| | A) | 60° |
| | B) | 50° |
| | C) | 25° |
| | D) | 12.5° |
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