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10 questions
The diameter of the circle is best represented by...
AB
CD
CB
AB
The radius of the circle is best represented by...
AB
CD
CB
AB
The chord of the circle is best represented by...
EF
CD
CB
AB
The Point of Tangency of the circle is best represented by...
Point C
Point G
Point D
Point E
The Tangent of the circle is best represented by...
GH
EF
EF
AB
The Secant of the circle is best represented by...
EF
EF
GH
AB
If GH is a tangent, then CG is ___________ to GH , a radius of circle C.
perpendicular
parallel
secant
diameter
If AD and BD are tangent to circle C, and AD=13 and BD=4x−3 find the value of x.
4
2.5
4.5
Not enough information
In the diagram, AC is a radius of circle A. Is CB tangent to circle A? Explain.
CB is not a tangent because 132+272=302
CB is a tangent because 132+272≈302
CB is a tangent because 132+272=302
CB is not a tangent because 132+272=302
How many common tangents are there with two circles touching at one point?
3
2
1
4
0
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