What is the difference between a parallelogram and a rectangle?

Name the properties of a rectangle.

Name the properties of a parallelogram.

In rhombus ABCD, AB=(6x - 30) and BC=(2x + 30). Find the perimeter.

In rhombus RSTW, mRST=60. Find mSRT.

If a polygon is equiangular, does that mean it is a regular polygon? Explain.

Which of the following is NOT a property of a rectangle?

		Diagonals bisect its angles.
		All angles are right angles.
		Diagonals bisect each other.
		Opposite sides are congruent.

A polygon can be either convex or concave. Draw an example of each. Show how the diagonals test or the line test is used to illustrate the convexity or concavity or your polygons.

Would it make sense to call a quadrilateral an n-gon? Explain.

In ABCD, mB = 1/2mA + 39. Find mA + mC.

Which of the following is NOT a property of a parallelogram?

		Opposite sides are congruent.
		Opposite angles are congruent.
		Opposite sides are parallel.
		Consecutive angles are congruent.
		Consecutive angles are supplements.

During a local math Olympiad the team from Bigtown High School was presented with the following problem to solve in no more than 2 minutes: "What is the relationship between the number of vertices of a regular polygon and the number of symmetry lines of the polygon?" They did it! What was their answer?

In RSTW, the diagonals intersect at A. If SA=(3x - 4) and AW=(7x - 40), find SW.

The coordinates of a parallelogram are (4, 0), (6, 3), (11, 1), and (x, y) and x > 11. What is the value of x + y?