Lesson 6-5

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# Lesson 6-5 - PowerPoint PPT Presentation

Trapezoids and Kites. Lesson 6-5. Trapezoid. A quadrilateral with exactly one pair of parallel sides. Definition:. The parallel sides are called bases and the non-parallel sides are called legs. Base. Trapezoid. Leg. An Isosceles trapezoid is a trapezoid with congruent legs.

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Trapezoids

and Kites

Lesson 6-5

Lesson 6-5: Trapezoid & Kites

Trapezoid

A quadrilateral with exactly one pair of parallel sides.

Definition:

The parallel sides are called bases and the non-parallel sides are called legs.

Base

Trapezoid

Leg

An Isosceles trapezoid is a trapezoid with congruent legs.

Isosceles trapezoid

Lesson 6-5: Trapezoid & Kites

Properties of Isosceles Trapezoid

1. Both pairs of base angles of an isosceles trapezoid are congruent.

2. The diagonals of an isosceles trapezoid are congruent.

B

A

Base Angles

D

C

Lesson 6-5: Trapezoid & Kites

Median of a Trapezoid

The median of a trapezoid is the segment that joins the midpoints of the legs.

The median of a trapezoid is parallel to the bases, and its measure is one-half the sum of the measures of the bases.

Median

Lesson 6-5: Trapezoid & Kites

Trapezoid

Flow Chart

Parallelogram

Isosceles

Trapezoid

Rhombus

Rectangle

Square

Lesson 6-5: Trapezoid & Kites