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A trapezoid is a quadrilateral with exactly one pair of parallel sides. The parallel sides are the bases. A trapezoid has two pairs of base angles. For instance, in trapezoid ABCD, TMD and TMC are one pair of base angles. The other pair is TMA and TMB.
Using Properties of Trapezoids. A trapezoid is a quadrilateral with exactly one pair of parallel sides. The parallel sides are the bases. Base angles of a trapezoid are two consecutive angles whose common side is a base. A trapezoid has two pairs of base angles.
1 pair opposite angles equal (angles between unequal sides) The diagonal between equal sides bisects the other diagonal. The diagonal between equal sides bisects the interior angles. The diagonals intersect at 90°.
Here are some examples of squares: All squares possess the following properties: • Opposite sides of a square are parallel • All sides of a square are equal • All angles at the vertices of a square are 90 • The diagonals of a square are equal • The diagonals of a square bisect the opposite angles
‐ use distance formula to find all 4 lengths...they must all be equal ‐ use slope formula to show that we have 2 pairs of equal slopes that are negative reciprocals
Adjacent Angles of Trapezoid. The angles on the same side of a leg are called adjacent angles such as ∠A and ∠D are supplementary. For the same reason, ∠B and ∠C are supplementary. This Page:
Find the length of the angle indicated for each trapezoid. 16) Find m ...
