Angle Sum and Exterior Angles

Find <S

• A

• B

• C

• D

Tags

CCSS.8.G.A.5

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

Tags

CCSS.8.G.A.5

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

Tags

CCSS.8.G.A.5

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

• 32

• 39

• 45

• 54

Tags

CCSS.8.G.A.5

If angle 8 is 63 degrees, how many degrees is angle 2?

• 63 degrees because angle 8 & 2 are alternate exterior angles.

• 117 degrees because angle 8 & 2 are supplementary.

• 63 degrees because angle 8 & 2 are vertical angles.

• 117 degrees because angle 8 & 2 are same side exterior angles.

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

Tags

CCSS.8.G.A.5

Which of the following terms best describes Angle d? 

• Remote interior angle

• Corresponding angle

• Exterior angle

• Interior angle

Tags

CCSS.8.G.A.5

Look at the diagram.

Which equation can be used to solve for x?​ (a)  

• 3x+36=90

• 39x=90

• 3x+36=180

• 39x=180

Tags

7.11.C

Set up an equation to find x.

• 42 + 8x = 2 + 12x

• 2 + 12x + 42 = 8x

• 42 + 8x + 2 + 12x = 180

• 42 + 8x = 180

Tags

CCSS.8.G.A.5

Choose a correct equation to find x.

• 4x - 2 + 12x + 1 = 75

• 4x - 2 + 75 = 12x + 1

• 4x - 2 + 75 + 12x + 1 = 180

• 4x - 2 - 75

Tags

CCSS.8.G.A.5