Find the sum of the measures of the interior angles of a convex 60-gon.
If the measure of each interior angle of a regular polygon is 171˚,
find the number of sides of the polygon.
Find the measure of each exterior angle of a regular 45-gon.
The sum of the interior angles of a convex regular polygon is 2,700°. How many sides does the polygon have?
A convex pentagon has interior angles with measures (5x-12), (2x+100), (4x+16), (6x+15) and (3x+41). Find x.
In parallelogram ABCD, m<A=58. Find m<B.

What value of x proves Rhombus QRST?

DEFG is a rhombus with m<EFG=34. What is m<GDE? (be sure to recognize which angle they gave you and which one you're looking for, using the picture)

Given rectangle ABCD, find x if m<ACD=3x-30 and m<ACB=2x+10. (focus on which angles they gave you and consider your plan afterwards)
Which of the following is not true about a rhombus?

Find KM in rectangle JKLM if JK=12 and JM=9.
Which of the following quadrilaterals could has diagonals that bisect opposite angles? (Use the family tree)
Which of the follwoing properties are valid about the diagonals of a square?

What is the length of AE in rectangle ABCD? (1) find x (2) substitute into the expression for AE.
Given square JKLM, JK=8. Find JL
BONUS (2 points)
Given A (-2,5) and B(2,-3), find AB
BONUS (2 points)
Given A (-2,5) and B(2,-3), find the midpoint of AB
BONUS (2 points)
Given A (-2,5) and B(2,-3), find the slope of AB