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10 Cards in this Set
- Front
- Back
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equilateral triangle
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three congruent sides
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isosceles triangle
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at least two congruent sides
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scalene triangle
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no congruent sides
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interior angle
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formed by two sides of a triangle
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exterior angle
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formed by one side of the triangle and the extention of an adjacent side
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congruent polygons
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"if and only if" their corresponding angles & sides are congruent
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cooresponding angles & sides
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in the same position with an equal number of sides
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triangle rigidity
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gives shortcut for providing two triangles congruent
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SSS (side side side)
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if three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent
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SAS (side angle side)
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if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent.
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