ABCD is a rhombus. If AB=(9x - 387), CD=(19x - 817), find the value of x.

In rectangle ABCD, AB=15 and BC=6. Find the length of the diagonal.

In rhombus RSTW, mRST=58. Find mSRT.

Find the perimeter of a rhombus with diagonals 12 and 20.

An equilateral quadrilateral must be a _____.

		square
		rectangle
		rhombus
		isosceles trapezoid

Which of the following has perpendicular diagonals?

		Parallelogram
		Rectangle
		Trapezoid
		Rhombus

In rectangle ABCD, AB=(x - 5y + 94), BC=(3x + 2y - 82), CD=(4x - 6y + 55), and DA=(5x + 4y - 164). Find the perimeter of the rectangle.

In rectangle ABCD, two consecutive sides and the diagonal are all consecutive integers. Find the area of the rectangle.

Which of the following has the properties of all the others?

		Rhombus
		Rectangle
		Square
		Parallelogram

Which of the following is NOT true?

		A rectangle is a parallelogram.
		A rectangle is a rhombus.
		A square is a rectangle.
		A square is a rhombus.

The perimeter of rhombus RSTU is 64 and the diagonal RT = 12. What is the area of the rhombus?

ABCD is a rectangle with diagonals intersecting at E. Given that AB = 8 and BC = 5, find the length of .

In rectangle ABCD, diagonals and intersect at E. If AE=(3x - 6y + 37), EC=(6x + y - 10), and BD=(3x - 3y + 41), find the length of .

In rectangle ABCD, diagonals and intersect at E. If AE=(11x - 18) and CE=(2x + 45), find the length of BD.