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8 Cards in this Set
- Front
- Back
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The sum of the measures of the angles of a triangle is 180 degrees.
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Triangle Angle-Sum Theorem
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If two sides of a triangle are congruent, then the angles opposite those sides are also congruent.
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Isosceles Triangle Theorem
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If two angles of a triangle are congruent, then the sides opposite the angles are congruent.
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Converse of the Isosceles Triangle Theorem
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If a segment joins the midpoints of two sides of a triangle, then the segment is parallel to the third side and half its length.
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Triangle Midsegment Theorem
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If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.
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Perpendicular Bisector Theorem
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If a point is equidistant from the endpoints of the segment, then it is on the perpendicular bisector of a segment.
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Converse of Perpendicular Bisector Theorem
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If a point is on the bisector of an angle, then it is equidistant from the sides of the angle.
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Angle Bisector Theorem
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If a point is equidistant from the sides of the angle, then it is on the bisector of an angle.
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Converse of Angle Bisector Theorem
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