Supplementary Angles Worksheets
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6th Grade Math
There are six sets of angle worksheets:
- Angles on a Straight Line
- Angles at a Point
- Vertical Angles
- Complementary Angles
- Supplementary Angles
- Complementary & Supplementary Angles
Examples, solutions, videos, and worksheets to help grade 6 learn how to use the supplementary angles property to find unknown angles.
How to use the supplementary angles property?
Supplementary angles are pairs of angles that add up to 180 degrees when combined. In other words, if you have two angles that are supplementary to each other, the sum of their measures is 180 degrees.
Mathematically, if ∠A and ∠B are supplementary angles, you can represent this as:
∠A + ∠B = 180 degrees
Let one of the angles be x degrees. The other angle, which is supplementary to it, will be (90 - x) degrees. For example, if one angle is 60 degrees, the supplementary angle is 180 - 60 = 120 degrees.
Understanding supplementary angles is essential in geometry and trigonometry, as they are used to solve various problems involving angles, such as finding unknown angles in geometric figures or determining the measures of angles in right triangles.
Have a look at this video if you need to review about supplementary angles.
Click on the following worksheet to get a printable pdf document.
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More Supplementary Angles Worksheets
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(Answers on the second page.)
Supplementary Angles Worksheet (find unknown angles)
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Types of Angles
Angles in a Straight Line
Vertical Angles
Complementary Angles
Supplementary Angles
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