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17 Cards in this Set
- Front
- Back
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Sum of the interior angles?
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180(n-2)
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Sum of exterior angles?
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Trick question! its 360!
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Measure of each interior angle?
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180(n-2)
_______ n |
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Measure of each exterior angle?
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360
___ n |
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Alternate interior angles form . . .
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a Z
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Corresponding angles are . . .
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180 degrees
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Complementary angles add up to . . .
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90 degrees
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Supplementary angles add up to . . .
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180 degrees
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Scalene triangles have . . .
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no congruent sides or angles
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Isosceles triangles have . . .
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two congruent sides and 2 congruent base angles
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Equilateral trianges have . . .
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all three sides and angles congruent
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If two parallel lines intersect a circle, the two intercepted arcs are . . .
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equal
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An inscribed angle is . . . the intercepted arc
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half
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If two tangents form an angle, to get that angle you . . .
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take the difference of the intercepted arcs and divide by two
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If two secants form an angle, to get that angle you . . .
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take the difference of the intercepted arcs and divide by two
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If an angle is formed by a tangent and a cord, the angle is . . .
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half the intercepted arc
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If an angle is formed by a tangent and a secant, the angle is . . .
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take the difference of the intercepted arcs and divide by two
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