Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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1.
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In a circle, a central angle of x° intercepts an arc of
A |  ° | B | x° | C | 2x° | D |  ° |
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2.
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If an angle inscribed in a circle intercepts an arc of z°, the angle
contains
A |  ° | B | z° | C | 2z° | D |  ° |
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3.
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Which ratio represents the number π?
A | diameter : circumference | B | circumference : radius | C | circumference :
diameter | D | diameter : radius |
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4.
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What is the number of common tangents that can be drawn, in a plane, to two
circles intersecting at two points?
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5.
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The sum of the degrees measures of two major arcs is
A | greater than 360° | B | less than 360° | C | equal to
360° | D | none of the above |
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6.
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Two tangents drawn to a circle from an exterior point are always
A | parallel | B | perpendicular | C | skew | D | congruent |
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7.
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If a diameter of a circle is perpendicular to a chord of the circle, then the
diameter _______ the chord.
A | is equal to | B | bisects | C | is parallel
to | D | is smaller than |
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8.
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A and B are points on the circle.  could be which of
these? A | tangent | B | secant | C | diameter | D | radius |
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9.
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The measure of the length of an arc of a circle that has a central angle
N and a radius r is given by the formula:
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10.
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The circumference of a circle is equal to its diameter times
__________.
A | π | B | r | C |  | D | 180° |
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