Start studying properties of a regular trapezoid. Properties of a trapezoid the formula for the perimeter of a trapezoid is p a b c d.

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A regular trapezoid has non parallel sides equal and its base angles are equal as shown in the following diagram.

Properties of a regular trapezoid. A special trapezoid is the isosceles trapezoid like an isosceles triangle. Learn vocabulary terms and more with flashcards games and other study tools. The angles on either side of the bases are the same size measure congruent.

Opposite sides of an isosceles trapezoid are the same length congruent. Each lower base angle is supplementary to the upper base angle on the same side. Properties of trapezoids recall that a trapezoid is a quadrilateral with only one pair of opposite sides parallel and that the parallel sides are called bases and the nonparallel sides are called legs.

The bases are parallel by definition. To find the perimeter of a trapezoid just add the lengths of all four sides together. The bases top and bottom of an isosceles trapezoid are parallel.

Properties of the sides of an isosceles trapezoid. The properties of the trapezoid are as follows. A trapezoid has one pair of opposite sides parallel.