Question

the only difference between an isosceles trapezoid and trapezoid is the fact that the nonparallel sides are congruent true or false

Answer 1

its true

Explanation:

define an isosceles trapezoid to be a "trapezoid with congruent base angles", the legs can be proven congruent, a parallelogram will NOT be an isosceles trapezoid, and all of the commonly known properties of an isosceles trapezoid will remain true.

Answer 2

The statement is true.