Figure NOT drawn to scale.

The above depicts Rhombus , which has perimeter 80. .

Give the area of Rhombus .

The length of the shorter diagonal of a rhombus is 40% that of the longer diagonal. The area of the rhombus is . Give the length of the longer diagonal in terms of .

Which shape is NOT a quadrilateral?

Which two shapes have to have right angles?

Which of the following shapes is NOT a quadrilateral?

What is the difference between a trapezoid and a isosceles trapezoid?

A parallelogram has the base length of and the altitude of . Give the area of the parallelogram.

A parallelogram has a base length of which is 3 times longer than its corresponding altitude. The area of the parallelogram is 12 square inches. Give the .

The longer diagonal of a rhombus is 20% longer than the shorter diagonal; the rhombus has area . Give the length of the shorter diagonal in terms of .

The length of the shorter diagonal of a rhombus is two-thirds that of the longer diagonal. The area of the rhombus is square yards. Give the length of the longer diagonal, in inches, in terms of .