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11 Cards in this Set
- Front
- Back
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Paralellogram: opposite sides and angles are... |
Congruent |
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Quadrilateral: consecutive angles are ... |
Congruent |
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If a quadrilateral is a parallelism, then it's diagonals... |
Bisect each other |
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Paralellogram rules |
Opposite angles are congruent |
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Quadrilateral Rules |
Both pairs of opposite sides are congruent Both pairs of opposite angles are congruent Angle is supplementary to both consecutive angles Diagonals bisect each other |
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Rhombus rules |
Has four congruent sides Perpendicular and have angle inspectors |
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Rectangles |
Four right angles Diagonal are congruent |
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Square |
Four congruent sides and angles Diagonal are perpendicular, angle inspector, and congruent |
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Polygons |
They're named by the number of sides they have 3 or more line segments |
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Convex vs. Concave |
Convex: no line intersects the actual shape Concave: if a line cuts through the figure |
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Interior Angles + exterior |
Sum of interior angles in quadrilateral is 360 Interior angle sum: n-2 (180) Measure of one angle: n-2 (180)/n Exterior angle: 360/n |
