Angles and Triangles Study Guide

Complimentary Angles add up to how many degrees?

• 90 degrees
• 50 degrees
• 100 degrees
• 180 degrees

Supplementary angles add up to how many degrees?

• 90 degrees
• 50 degrees
• 100 degrees
• 180 degrees

Find the missing angle.

• 29° 
• 39° 
• 49° 
• 59° 

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

• 80
• 100
• 60
• 90

What is the measure of angle b?

If a right triangle has an angle that measures 43 degree what is the measure of the third angle?

• 43
• 47
• 45
• 90

What is the value of x?

• 8
• 22.5
• 11.25
• 60

Solve for x.

• 5
• 12
• -7
• -6

Find the measure of the missing angle.

• 47
• 57
• 53
• 133

Find the measure of the missing angle.

• 145
• 55
• 35
• 45