Question

which of the following pairs of angles is not a pair of complementary angles?
(a)150°,30°
(b)56°,34°
(c)0°,90°​

Answer 1

Answer:

150 degree and 30 degree

Step-by-step explanation:

A complimentary angle consists of 2 angles whose sum is 90 degree, and we can see 150 degree plus 30 degree is equal to 180 degree which is supplementary angle

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Answer 2

(a) 150° , 30°

• When two angles are added together, complementary and supplementary angles are formed. Two angles are said to be supplementary angles because they combine to generate a linear angle when their sum is 180 degrees. When two angles add up to 90 degrees, however, they are said to be complimentary angles and together they make a right angle.
• Complementary angles are those whose combined angle is 90 degrees or less. To put it in another way, two angles are said to be complimentary if they combine to make a right angle. In this case, we say that the two angles work well together.

Here, according to the given information, we are given that,

• 150° + 30° = 180°

These are not complementary angles.

• 56° + 34° = 90°

These are complementary angles.

• 0° + 90°​ = 90°​

These are complementary angles.

Hence, option a is correct.

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