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# What is the complementary angles and supplementary angles?

Complementary angles are the angles which add up to 90° and supplementary angles are the angles that add up to 180°.

Well Qualified and Certified Mathematics B.Ed(M.G Usty)Teacher with more than13 years of Experience

If the sum of a pair of angles =90°,then they are complementary angles. If the sum of a pair of angels =180°,then they are supplementary angles.

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When the sum of angle of a triangle is less than 90 degrees, then it is said to be complementary otherwise supplementary

Maths Tutor

Contemporary angle- If sum of two angles is equal to 90 degree, then both are complementary angle. Supplementary angle- If sum of two angles is equal to 180 degree, then both are supplementary angle.

When sum of two angles is 90 degree, then each angle is called complementary of each other. Say one angle is of 40 degree, then its complementary angle will be of 50 degree. When sum of two angles is 180 degree, then each angle is called supplementary of each other.say one angle is of 70 degree then...
When sum of two angles is 90 degree, then each angle is called complementary of each other. Say one angle is of 40 degree, then its complementary angle will be of 50 degree. When sum of two angles is 180 degree, then each angle is called supplementary of each other.say one angle is of 70 degree then its supplementary angle will be of 110 degree. read less

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The complementary angles, Angle A+Angle B =90; the supplementary angles, Angle A+Angle B =180.

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Supplementary angles are two angles whose measures sum to a 180 degrees and complementary are the sum have to add up to 90 degrees.

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