Geometry - Unit 5 - Chapter 7 - Properties of Quadrilaterals

What is the sum of the interior angles of a convex octagon?

• 360

• 1080

• 1440

• 1800

What is the sum of the exterior angles of a convex 18-gon?

• 360

• 2880

• 3240

• 3600

ABCD is a parallelogram.

Set up an equation to solve for x.

• x=x

• x+75+y+z=360

• x-10=x

• x-10=27

ABCD is a parallelogram.

Set up an equation to solve for y.

• y=75

• y+75=180

• x-10=y+z+75

• y=z

ABCD is a parallelogram.

Set up an equation to solve for z.

• z=75

• z+75=180

• x-10=y+z+75

• y=z

ABCD is a square.

Find the measure fo angle ABE

• 30

• 60

• 45

• 90

ABCD is a square.

Find the measure fo angle ABC

• 30

• 60

• 45

• 90

ABCD is a rhombus.

What is the length of AE?

• 5

• 12

• 13

• 67

ABCD is a rhombus.

What is the measure of angle BEC?

• 67

• 90

• 134

• 180

Set up an equation to solve for x.

• 94+56+4.5x+x+1.5x = 5*360

• 94+56+4.5x+x+1.5x = (5-2)*180

• 94+56+4.5x+x+1.5x = 5*180

• 94+56+4.5x+x+1.5x = 360