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9 Cards in this Set
- Front
- Back
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convex polygon
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a polygon with each interior less than 180
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formula for diagonals
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(n= # of sides)
n(n-3) ------------ =diagonals 2 |
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measure of all the angles of a figure formula
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(n-2)180
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properties of parallelograms
5 |
op. sides are parallel
op. sdes congruent op. angles congruent diagonals bisect each other any pair of consec. angles supp |
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prop of rectangles 7
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all prop of a parallelogram
op. s. par op s con op ang con di bis consec ang supp all angles are right angles all diagonals are congruent |
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prop kites 5
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two pairs of con sides, disjiont
diagonals are perp. one dial. perp bis of another one diag bis a pair of opposite ang one pair of opposite ang con |
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rhombus 14
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all parallelogram apply
op. sdes congruent op. angles congruent diagonals bisect each other any pair of consec. angles supp all kite apply (insead of one, it's both) two pairs of con sides, disjiont diagonals are perp. diag. perp bis of another diag bis opposite ang opposite ang con new all sides congruent all diag bis angles' all diag perp bis of each other divid into 4 righ tri |
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square 16
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all rect apply
all prop of a parallelogram op. s. par op s con op ang con di bis consec ang supp all angles are right angles all diagonals are congruent all rhombus apply all kite apply (insead of one, it's both) two pairs of con sides, disjiont diagonals are perp. diag. perp bis of another diag bis opposite ang opposite ang con new all sides congruent all diag bis angles' all diag perp bis of each other divid into 4 righ tri |
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isos trap 6
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legs con
lower base angles con bases are parallel upper base ang con diag con lowbase supp to upper base |
