Geometry

What is the sum of the measures of the exterior angles of a decagon?

• $360\degree$

• $180\degree$

• $1,080\degree$

• $12\degree$

If the exterior angle of a regular polygon measures $40\degree$  , how many sides does the polygon have?

• 18

• 9

• 10

• 19

Which formula do you use to prove both pairs of opposite sides are congruent?

• Distance formula

• Slope formula

• Distance and slope formula

Find  $m\angle R$  

•  $56\degree$  

•  $28\degree$  

•  $112\degree$  

•  $124\degree$  

Tags

CCSS.HSG.CO.C.11

Use the distance formula to determine if the figure is a parallelogram. A(-7,4), B(1,2), C(9,-8), D(1,-6)

• Yes, ABCD is a parallelogram

• No, ABCD is NOT a parallelogram

Find KL

• 20

• 13

• 52

• 26

Tags

CCSS.HSG.CO.C.11

If  $m\angle BCD$  = $51\degree$  ,solve for x

• x=5

• x=10

• x=20

• x=18

Tags

CCSS.8.G.A.5

If CDFE is a rectangle, find EF

• 38

• 42

• 36

• 18

Tags

CCSS.HSG.CO.C.11

If FGHI is a square, solve for x

• x=4

• x=12

• x=6

• x=14

Tags

CCSS.HSG.CO.C.11

Which quadrilaterals always have consecutive angles that are supplementary?

• Parallelograms

• Rectangles

• Rhombi

• Squares