How to Find Complementary and Supplementary Angles? (+FREE Worksheet!)

How to Find Complementary and Supplementary Angles? (+FREE Worksheet!)

Complementary and supplementary angles – Example 2:

Complementary and supplementary angles – Example 3:

Notice that two angles form a straight angle when together. This means that the angles are supplementary and have a sum of \(180^\circ\).
\(x+43=180→x=180-43=137^\circ\)

Complementary and supplementary angles – Example 4:

Find the missing angle.

Solution:

Notice that two angles form a straight angle when together. This means that the angles are supplementary and have a sum of \(180^\circ\).
\(x+38=180→x=180-38=142^\circ\)

Exercises for Complementary and Supplementary Angles

Find the missing measurement in the pair of angles.

Find the missing measurement in the pair of angles.

1. \(\color{blue}{x=}\)

2.\(\color{blue}{x=}\)

3.\(\color{blue}{x=}\)

4.\(\color{blue}{x=}\)

5. The measure of an angle is \(31^°\). What is the measure of its complementary angle? __________

6. The measure of an angle is \(76^°\). What is the measure of its supplementary angle? __________

  1. \(\color{blue}{156^\circ}\)
  2. \(\color{blue}{15^\circ}\)
  3. \(\color{blue}{113^\circ}\)
  4. \(\color{blue}{46^\circ}\)
  5. \(\color{blue}{59^\circ}\)
  6. \(\color{blue}{104^\circ}\)
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Original price was: $109.99.Current price is: $54.99.
Original price was: $114.99.Current price is: $54.99.

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