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Find Side Find Angle/Arc Theorems Definitions
$100
Find side measure
9
x
15
12
X=20
Go Back
Find side measure
5
x
3
X=5
Go Back
Find side measure
4
6
18
x
Go Back
X=12
Find side measure
8
x
12
Go Back
X=4
Find side measure
x9
11
Go Back
__________X=-9+√565
2
Find Angle/Arc measure “x”
78ºX º
Go Back
X=39
Find Angle/Arc measure “x”
47º
Xº
Go Back
X=47
Find Angle/Arc measure “x”
255º15xº
Go Back
X=5
Find Angle/Arc measure “x”and “y”24yº
9yº
4xº
14xº
Go Back
X=9
Y=6
Find Angle/Arc measure “x”
xº_2
(x+30)º
(x+70)º
Go Back
X=100
Find Theorem
If a line is tangent to a circle, then it is
to the radius drawn to the point of tangency.
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perpendicular
Find Theorem
If two segments from the exterior point are tangent to a circle, then they are
___________
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Congruent
Find Theorem
In the same circle, or in congruent circles, two chords are congruent if and only if
___________________
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Their corresponding arcs are congruent
Find Theorem
c
a
x
d
What theorem would you use to prove ax is congruent to dx?
Go Back
In the same circle, or in congruent circles, two chords are congruent if and only if they are equidistant from the center.
Find Theorems
Go Back
What theorem can solve this angle measure?
If a tangent and a secant, two tangents, or two secants intersect in the exterior of a circle, then the measure of the angle formed is one half the difference of the measure of the intercepted arcs
Definition
What is a chord?
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A segment whose endpoints are points on a circle.
Definition
What is the interior of a circle?
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All the points of the plane that are inside a circle.
Definition
What are inscribed
polygons?Go Back
A polygon whose vertices all lie on a circle.
Definition
What are tangent circles?
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Circles that intersect at one point.
Definitions
What is an intercepted arc?
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The arc that lies in the interior of an inscribed angle and has endpoints on the angle
Draw the locus of all the points in a plane that are on the midpoint of a radius of . C
ANSWER
C
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