Properties of Parallelograms, Rectangles, Rhombus', and Squares (Geometry)

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7 Terms

1
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Properties of parallelograms

  • Diagnols bisect

  • Both pairs of opposite sides are equal

  • ALL consecutive angles sum to 180

  • Both pairs of opposite angles are equal

  • Both pairs of opposite sides parallel

2
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Properties of rectangles

  • All properties of parallelograms

  • All angles are 90

  • Diagnols are equal

  • Creates 2 pairs of congruent isoceles triangles

3
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Properties of Rhombus’

  • All properties of parallelogram

  • Diagnols are angle bisectors

  • All sides are equal

  • Diagnols form 90 at intersection

4
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Properties of square

  • All properties of parallelogram

  • All properties of rectangle

  • All properties of rhombus

5
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Sum of exterior angles in a polygon

360

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sum of interior angles in a polygon

180(n-2)

7
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Na=360

n=sides a=angles (in a regular polygon)