Unit 4: Polygon Review

What is the sum of the interior angles of a 17-gon?

• 2700°

• 180°

• 3800°

• 1200°

What is the measure of each interior angle of the regular polygon?

• 180°

• 128.6°

• 105°

• 90°

How many sides does a polygon have if the sum of the interior angles is 2880°?

• 17

• 20

• 18

• 10

Find the measure of the three missing angles in the rhombus. ​ ​ ​

• x = 83°, y = 83°, z = 97°

• x = 60°, y = 60°, z = 90°

• x = 65°, y = 53°, z = 87°

• x = 59°, y = 78°, z = 105°

Find the length of the two missing sides in the parallelogram.

• x = 24, y = 50

• x = 50, y = 24

• x = 50, y = 100

• x = 48, y = 100

Of both pairs of opposite sides of a quadrilateral are parallel, then the quadrilateral is a _________ .

• congruent

• kite

• trapezoid

• parallelogram

Find the value of x, y, z in the rhombus.

• x = 15, y = 57, z = 9

• x = 11, y = 80, z = 43

• x = 8, y = -85, z = -80

• x = 8, y = 85, z = 80

If the diagonals of the quadrilateral _________ each other, then the quadrilateral is a parallelogram.

• perpendicular

• congruent

• bisect

• parallel

Find the value of x, y, z in the parallelogram.

• x = 97, y = 10, z = 82

• x = 97, y = -10, z = -82

• x = 87, y = 10, z = 20

• x = 87, y = -10, z = -20

Find the value of x and y in the parallelogram.

• x = 58, y = -13

• x = 61, y = -63

• x = 60, y = -53

• x = 90, y = 24