6.5 Trapezoids and Kites

1
6.5 Trapezoids and Kites

• Chapter 6
• Quadrilaterals

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Trapezoids

• The parallel sides are its bases.
• The non-parallel sides are its legs.

BASE ANGLES
BASE ANGLES
3
Trapezoids

• The base angles of an isosceles trapezoid are
  congruent.

110
110
70
70
4
Trapezoids

• The angles that share a leg are supplementary
  (same-side interior angles)

100
80
5
Trapezoids

• The diagonals of an isosceles trapezoid are
  congruent.

A
B
AC DB
D
C
6
Kites

• The diagonals of a kite are perpendicular

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Kites

• The angles in between the non-congruent sides are
  congruent

I
T
ltK lt T
K
E
8
Kites

• Find mlt1, mlt2, and mlt3 in the kite.

32
3
mlt1 mlt2 mlt3
1
2
9
Practice

• Pg 322 1-6, 8-16, 20-25