# Question: How Do You Name A Pair Of Complementary Angles?

## What is the complementary angle of 60 degree?

30°The complementary angle of 60° is 30°..

## What is a requirement of complementary angles?

Complementary angles must be adjacent. The measures of complementary angles must add up to 180°. …

## What are complementary angles?

Two angles are called complementary when their measures add to 90 degrees. Two angles are called supplementary when their measures add up to 180 degrees.

## Can two angles be supplementary if both of them are?

∴Sum of two acute angles cannot make a supplementary angle. As we know that obtuse angle is always greater than 900. So, the sum of two obtuse angles always makes greater than 1800. … So, the sum of two right angles is always equal to 1800.

## How do you remember complementary angles?

One clue for remembering the difference between complementary and supplementary angles is to use the alphabet. The letter C comes before the letter S. This concept is linked to the idea that on a circle the 90 degree complementary angle comes before the 180 degree supplementary angle.

## Can two right angles be complementary?

No, two right angles cannot be complementary to each other. This is because complementary angles are defined as two angles with measures that sum up…

## Which pair of angle is supplementary?

Two angles whose sum is 180° (that is, one straight angle) are called supplementary angles and one is called the supplement of the other. supplement of ∠RQS and ∠RQS is supplement of ∠PQR. For Example: (i) Angles of measure 100° and 80° are supplementary angles because 100° + 80° = 180°.

## What are different types of angles?

The different types of angles based on their measurements are:Acute Angle – An angle less than 90 degrees.Right Angle – An angle that is exactly 90 degrees.Obtuse Angle – An angle more than 90 degrees and less than 180 degrees.Straight Angle – An angle that is exactly 180 degrees.More items…

## What is straight angle?

: an angle whose sides lie in opposite directions from the vertex in the same straight line and which equals two right angles.

## What is a pair of complementary angles?

Complementary angles are pair angles with the sum of 90 degrees. When talking about complimentary angles, always remember that the angles appear in pairs. One angle is the complement of the other angle. Although a right angle is 90 degrees, but it can’t be called a complementary because it doesn’t appear in pairs.

## Which pair of angles are below complementary?

Answer: If the sum of the measures of two angles is 90° they are known as complementary angles. Hence,the pairs of complementary angles are ∠B and ∠N, ∠D and ∠F, ∠Y and ∠E. If the sum of the measures of two angles is 180° they are known as supplementary angles.
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