Quadrilateral Test

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

• 4860°

• 4500°

• 5220°

• 166.7°

If 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.

• 540°

• 151°

• 180°

• 14°

Consider the regular hexagon in the illustration. Find the value of x.

• 9.00

• 5.77

• 63.55

• 6

What is the value of ONE external angle of a regular nonagon?

• 360°

• 9

• 40°

• 42°

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.

Which of the following quadrilaterals always have

diagonals that are congruent?

i. Parallelograms

ii. Rectangles

iii. Rhombi

iv. Squares

v. Isosceles Trapezoids

• ii

• iii and v

• iv

• ii, iv, and v

If ABCD is a parallelogram, find m∠D.

• 6°

• 53°

• 127°

• 13°

Consider the rectangle in the illustration. If EC = 13, find BD.

• 13

• 31

• 26

• 6.5

If JKLM is a rectangle, find m∠NML.

• 18°

• 72°

• 90°

• 108°