Degree Measure with Variables Complementary and Supplementary

Angles that add up to 90 degrees

• adjacent

• vertical

• complimentary

• supplementary

Angles that add up to 180 degrees

• adjacent

• vertical

• complimentary

• supplementary

Angles ACD, DCE and ECB are

• congruent

• vertical

• complementary

• supplementary

Which equation would be used to solve for x?

• x + 90 = 42

• x + 42 = 90

• x + 42 = 180

• x - 42 = 180

When two or more angles are ​ (a)   , they add up to ​ 90 degrees. When two or more angles are ​ ​ (b)   , they add up to 180 degrees.

• complementary

• supplementary

If m<ABC = 78 degrees, then the measure of its complement is ​ (a)   and the measure of its supplement is ​ (b)  

• 12 degrees

• 102 degrees

• 90 degrees

• 180 degrees

• 168 degrees

• 50 degrees

• 140 degrees

• 40 degrees

What is the Value of x?

Mathematical Equivalence

ON

Which value of x will show that lines l and m are parallel?

• 20

• 22

• 24

• 25

Classify the pair of angles shown.

• supplementary angles

• complementary angles

• vertical angles 

• corresponding angles