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The measure of an angle-is 81^(@). What is the measure of its supplementary angle?

The measure of an angle-is 81 81^{\circ} . What is the measure of its supplementary angle?

Full solution

Q. The measure of an angle-is 81 81^{\circ} . What is the measure of its supplementary angle?
  1. Identify Supplementary Angles: Identify the definition of supplementary angles. Supplementary angles are two angles that add up to 180180 degrees.
  2. Subtract from 180180: Subtract the given angle from 180180 degrees to find the measure of the supplementary angle. 18081=99180^\circ - 81^\circ = 99^\circ
  3. Verify Sum: Verify that the sum of the given angle and the calculated supplementary angle equals 180180 degrees.\newline8181 degrees + 9999 degrees = 180180 degrees

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