Circle

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Circle Jeopardy
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Secants Chords
Angles
Tangents
Grab Bag
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In the accompanying diagram of circle O,
and . Find the value of x.
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x20
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Given the circle below with diameter , find
x.
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x90
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Given a circle with the center indicated, find x.

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x40
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True or False In the same circle, or congruent
circles, congruent central angles have congruent
arcs.
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True
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Given two secants shown in the diagram, find the
number of degrees in the angle labeled x.
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x60
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In the diagram, the segments shown are tangent to
the circle. Find the value of x.
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x5
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In the diagram, tangent and secant
are drawn to circle O from point A, AB6 and
AC4. Find AD.
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AD9
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How many common tangents can be drawn for two
externally tangent circles?
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3 tangents
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Given tangent to the circle shown. Find the
measure of the arc designated by x.
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260
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Given the circle shown with two tangents to the
circle from a common external point. Find the
measure of the angle marked x.
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80
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Given the circle in the diagram with two
intersecting chords. Find the length x.
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x8
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In the diagram, secant intersects circle O
at D, secant intersects circle O at E, AE4,
AC24 and AB16. Find AD.
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AD6
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Given a circle with two secants as shown in the
diagram. Find the value of the arc designated by
x.
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x25
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In the given diagram of the circle below with
radius 5. Find the length of the segment labeled
x.
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x4
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Given Tangent , diameter , and secant
in circle O. What two sets of congruent
angles can be used to prove
?
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and
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Given Circle O with diameter ,
and . Find .
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(No Transcript)
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Given the circle in the diagram with the
indicated center. Find the measure of the arc
marked x.
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x55
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Given in circle O. Which method can
be used to prove that ?
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SSS Postulate SAS Postulate ASA Postulate
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A cathedral window is built in the shape of a
semi circle. If the window is to contain 3
stained glass sections of equal size, what is the
area of each section to the nearest square foot?

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3 ft2
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Two chords intersect within a circle to form an
angle whose measure is 53. If the intercepted
arcs are given by 3x3 and 10x-14, find the
measure of the larger arc.
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76