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11 Cards in this Set
- Front
- Back
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AA Postulate
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It two angles of one triangle are equal in measure to two angles of another triangle, then the two triangles are similar.
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ASA Theorem
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If two angles are the included side of one triangle are equal in measure to the corresponding angles and side of another triangle, the the triangles are congruent.
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AAS Theorem
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If two angles and a non-included side of one triangle are equal in measure to the corresponding angles and side of another triangle, then the triangles are congruent.
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SAS Theorem
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If two sides and the included angle of one triangle are equal in measure to the corresponding sides and angle of another triangle, then the triangles are congruent.
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SSS Theorem
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If three sides of one triangle are equal in measure to the corresponding sides of another triangle, then the triangles are congruent.
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C.P.C.T.E
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You can prove relationships between the parts of two triangles once you have proved that the triangles are congruent.
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Parallel Line Postulate
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If two lines are intersected by a transversal and corresponding angles are equal in measure then the lines are parallel.
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Parallel Line theorem
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If two lines are intersected by a transversal and alternate interior angles re equal in measure, then the lines are parallel.
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Parallel Line Theorem
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If two lines are intersected by a transversal and co-interior angles are supplementary, then the lines are parallel.
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45-45-90 Triangle
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In a 45-45-90 triangle, the measure of the hypotenuse is sq.rt(2) times the measure of a leg.
a(sq.rt)2 |
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30-60-90 Triangle
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In a 30-60-90 triangle, the measure of the hypotenuse is twice the measure of the shorter leg. The measure of the longer leg is sq.rt(3) times the measure of the shorter leg.
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