Exterior Angle Theorem

If 2 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 measure of angle A in the triangle?

• 116*
• 25*
• 62*
• 54*

Tags

CCSS.8.G.A.5

Solve for x.

• -11
• 9
• -9
• 10

Tags

CCSS.7.G.B.5

Solve for x.

• 8
• -10
• -7
• 6

Tags

CCSS.HSG.SRT.C.8

Solve for x.

• 5
• 12
• -7
• -6

Tags

CCSS.HSG.CO.C.10

Find the measure of the indicated angle. 

• 87 degrees
• 82 degrees
• 83 degrees
• 72 degrees

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 145 degrees
• 24 degrees
• 20 degrees 
• 21 degrees

Tags

CCSS.7.G.B.5

What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?

• 43
• 58
• 72
• 101

Tags

CCSS.8.G.A.5

Solve for x.

• 13
• 3
• 1
• 4

Tags

CCSS.8.G.A.5

Solve for x.

• 6
• 8
• 15
• 13

Tags

CCSS.8.G.A.5