Click on the boxes to show various measurements within the isosceles trapezoid. [br][br]Change the size of the isosceles trapezoid by clicking and dragging point B and C.[br][br]Make conjectures about the properties of a isosceles trapezoid.

For each of the questions below that you can answer yes to regardless of where you place point B or C, write a check mark in that box on your summary chart under isosceles trapezoid.[br][br]Is there exactly 1 pair of parallel sides?[br]Are there 2 pairs of parallel sides?[br]Is there exactly 1 pair of congruent sides?[br]Are there 2 pairs of congruent sides?[br]Are all 4 sides congruent to each other?[br]Are the diagonals perpendicular?[br]Are the diagonals congruent?[br]Do the diagonals bisect the angles?[br]Do the diagonals bisect each other?[br]Is there exactly 1 pair of opposite angles congruent?[br]Are 2 pairs of opposite congruent angles?[br]Are all the angles congruent?[br]Are the base angles congruent?