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