Question

An angle measures 138° less than the measure of its supplementary angle. What is the

Answer 1

The measure of each angle is 159° and 21°.

What are supplementary angles?

• When two straight lines or rays intersect at a single endpoint, an angle is created.
• The vertex of an angle is the location where two points come together.
• The Latin word "angulus," which means "corner," is where the word "angle" originates.
• Two angles are considered to be supplementary if their sums total 180 degrees.
• For instance, angle 130° and angle 50° are complementary angles since the sum of these two angles is 180°.

So, supplementary angles = 180

Then,

• 2x + 138 = 180
• 2x = 180 - 138
• 2x = 42
• x = 21
• 21 + 138 = 159

Therefore, the measure of each angle is 159° and 21°.

Know more about supplementary angles here:

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