1. Bell Ringer

2. Trapezoids

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

4. 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

5. 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

6. Find the length of the median.
4/25/2017
Find the length of the median.
Find the value of x.

7. Homework
Worksheet