# Lesson 5.3

## Investigation 2

What are some properties of trapezoids ?

## Steps 1, 2 and 3

Draw parallel segments of unequal length. Draw two nonparallel sides connecting them to make a trapezoid
Measure the angles
copy and complete

## Trapezoid Consecutive Angles Conjecture

The consecutive angles between the bases of a trapezoids are supplementary

## Isosceles Trapezoid Conjecture

The base angles of an isosceles trapezoid are congruent

## Isosceles Trapezoid Diagonals Conjecture

The diagonals of an isosceles trapezoid are congruent

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