Complementary Supplementary Triangles

What is the measure of the missing angle?

• 39

• 129

• 119

• 129

• A
• B
• C
• D

• 47
• 57
• 53
• 133

What equation would you use to find the value of x?

• 2x-6=7x+4

• 2x-6+7x+4=90

• 2x-6+7x+4=180

• 2x-6+7x+4=360

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=3.4

• Complementary; x=45

• Supplementary; x=20

• Supplementary; x=175

Two angles whose sum of angle measures equals 90 degrees  

• Adjacent Angles 

• Complementary Angles

• Congruent Angles

• Supplementary Angles

Two angles whose sum of angle measures equals 180 degrees

• Supplementary Angles

• Obtuse Angle

• Complementary Angles

• Straight Angle

What is the value of the missing angle?

• 61

• 50

• 60

• 69