Construct a quadrilateral with two pairs of parallel sides of

A rectangle is 80 cm long and 20 cm wide. Find, to the nearest degree, the acute angle formed at the intersection of the diagonals?

If one pair of opposite sides of a quadrilateral are parallel and the other pair is equal in length then is the quadrilateral parallelogram?

The vertices are WXYZ. WZ is parallel to XY. XW is not parallel to YZ. Angles X and W are right angles. Identify the quadrilateral.

KLMN is a trapezoid, KL = MN, m angle LKM = m angle MKN, LM:KN = 8:9, perimeter KLMN = 132, and LM and KN are parallel Find the length of the legs.

PQRS is a quadrilateral with PS parallel to QR. The perimeter of PQRS is 3 m. The length of PQ is 1 m and the length of PS is x m. The

A board on the wall in Jeremy's class has 4 right angles, 4 equal sides, and 2 pairs of parallel sides. Which quadrilateral is it?

If a quadrilateral has one pair of parallel sides, is it a trapezoid?

You know that the sizes of all the angles in a triangle add up to 180 degrees. Justify that the sum of the sizes of all the angles in every quadrilateral is

You know that the sizes of all the angles in a triangle add up to 180 . Justify that the sum of the sizes of all the angles in every quadrilateral is

Find the lengths of the diagonals of a parallelogram with adjacent sides of 12cm and 13 cm if the angle between the sides is 50 degrees. The shorter diagonal is what in

KLMN is a trapezoid, KL = MN, m angle LKM = m angle MKN, LM:KN = 8:9, perimeter KLMN = 132, and LM and KN are parallel Find the length of the legs.

Draw a pair of quadrilaterals, where the first quadrilateral is congruent to the second quadrilateral.