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Unit 5- Quadrilaterals/ Polygons (Parallelogram (Types (Rhombus (all sides…
Unit 5- Quadrilaterals/ Polygons
Polygons
a plane figure with at least three straight sides and angles, and typically five or more.
Examples
Triangle
3 sides and 3 angles
Pentagon
5 sides and 5 angles
Quadrilateral
4 sides and 4 angles
Trapezoid
Kite
Parallelogram
Rectangle
Rhombus
Square
hexagon
6 sides and six angles
Decagon
10 sides and 10 angles
septagon
7 sides and 7 angles
Octagon
8 sides and 8 angles
Parallelogram
4 sides and 2 pairs parallel sides
Using alternate interior angles, alternate exterior angles, and same side interior/exterior angles and slope, you can determine if a polygon is a parallelogram.
midpoint formula
Distance Formula
Types
Rhombus
all sides are congruent and opposite angles are congruent
diagonals are perpendicular bisectors
Rectangle
each pair of opposite sides is equal and parallel, interior angles are 90 degrees
diagonals are congruent and perpendicularly bisect each other
Square
All sides are congruent, and the interior angles are 90 degrees
Diagonals are congruent and bisect each other
