Unit 7 Quiz

What is the sum of the measures of the interior of angles of a 27-gon?

• 4860

• 4500

• 5220

• 166.7

The sum of the interior angles of a polygon is 2340, how many sides does the polygon have?

• 11 sides

• 13 sides

• 15 sides

• 16 sides

Find m∠S.

If the polygon shown is a regular nonagon, what is the value of x?

Which of the following properties is always true for a parallelogram?

• Diagonals bisect each other.

• Diagonals are perpendicular.

• Diagonals are congruent.

• Diagonals bisect opposite angles.

If XZ = 8x - 18 and RZ = 2x + 5, find XR.

Find m∠ADB.

If EF = 13 and DF = 18, find EH.

If m∠ACB = (11x - 32), find the value of x.

If ABCD is a parallelogram, find m∠D.