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T/F: Every square is a rhombus |
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T/F: Some right triangles are obtuse |
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T/F: All equilateral triangles are isosceles |
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T/F: All squares are kites |
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has no points, goes on forever |
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straight line extending from one point |
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sum of 2 angles is 90 degrees |
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sum of 2 angles equals 180 degrees |
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angle which is greater than 180 degrees |
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at least 2 legs are congruent |
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has exactly one angle of 90 degrees |
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has one angle between 90 and 180 degrees |
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all 3 angles are less than 90 degrees |
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equation for finding sum of int. angles of a polygon |
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(n-2) 180, where n is number of sides |
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equation for finding regular polygon angle measures |
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(n-2) 180/ n , where n is number of sides |
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3D shape, 5 main regular polyhedra exist |
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transversal of parallel lines |
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lines m and n are parallel if and only if alter interior angles are congruent, alt. exterior angles are congruent and corresponding angles are congruent |
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same angle measure created anytime 2 lines intersect |
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quadrilateral in which each pari of opposite sides is parallel |
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a parallelogram with a right angle |
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a rectangle with all sides congruent |
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parallelogram with all sides congruent |
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a quadrilateral with 2 distinct pairs consisting of consecutive sides, which are congruent |
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a quadrilateral in which neither pair of opposite sids are parallel |
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