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
In the diagram shown, points B and D lie on sides AC and AE such that BD is parallel to CE. If AB = 10, BC = 16, and AD = 13
If two parallel lines are cut by a transversal, then the interior angles on the same side of the transversal are
Determine the lengths of the sides of the trapezoid shown in the given figure if the perimeter of the trapezoid is 17 cm.
Several shapes are pictured here. Sides with the same length are indicated, as are right angle. a. which figure have right angle? b. which figure have at least one pair of parallel
In quadrilateral ABCD, AB and DC are parallel and AD and BC are parallel. Find the perimeter of triangle COD if point O is the intersection of the diagonals and AC =
Draw a pair of quadrilaterals, where the first quadrilateral is congruent to the second quadrilateral.
Draw a pair of quadrilaterals, where the first quadrilateral is congruent to the second quadrilateral.
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
In the diagram below, AD intersects BE at C, and AB
Quadrilateral PQRS is a parallelogram such that its diagonals PR and QS are each 8 cm, the measure of angle PSR is 90 degrees, and the measure of angle QSR is 30
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
In quadrilateral ABCD, AB and DC are parallel and AD and BC are parallel. Find the perimeter of triangle COD if point O is the intersection of the diagonals and AC =
Adjacent sides of a parallelogram have lengths 12.5 cm and 8 cm. The measure of the included angle is 40 degrees. Find the area of the parallelogram to the nearest tenth of
