The perimeter of a square is 40. What is its area?
Three angles in a quadrilateral measure What is the measure of the fourth angle?
For which quadrilateral above does NOT necessarily equal 180?
Which quadrilateral could NOT have one side that is exactly twice as long as another side?
A rhombus with a base of 8 and height of 2 will have the same area as a square with a height of __?