Polygons and Quadrilaterals

chapter 6

Block 1

Big image

Block 2: Kite

A kite is a quadrilateral with two pairs of equal-length or congruent adjacent sides that has no opposite sides that are congruent. A kite's diagonals are perpendicular.
Big image
Four sided, kite shaped diamond
Big image
One side of a multisided die creates a kite

Trapezoid and isoceles Trapezoid

A trapezoid is a quadrilateral with exactly 2 parallel sides and 2 non-parallel sides. An Isosceles trapezoid is a trapezoid with 2 parallel sides and 2 congruent sides.
Big image
Big image

Trapezoid ex

In order to find "X" you have to add the top and bottom sides and multiply it by 1/2 but by doing this it cancels itself out. Then you multiply the mid-segment by 2 and equal it to the sum of the top and bottom sides.
Big image

Parallelogram

A quadrilateral with both pairs of opposite sides parallel. The 2 sides are parallel and the top and bottom are parallel. Since the opposite sides are parallel this makes the opposite angles congruent.
Big image

Parallelogram ex

To get "A" you add the bottom 2 angles together then subtract that number by 180, because its a triangle. To get "B" it is the opposite angle from 30 degrees;so, since they're opposite angles they're congruent. To get "C" you subtract 30 from 90 because the 2 angles add together to get 90 degrees.
Big image