Question

# Angles 4 and 1 are what angle pair?

- Complementary
- Supplementary
- Acute
- Vertical

Hint:

### Two angles are said to be supplementary angles if they add up to 180 degrees.

## The correct answer is: Supplementary

### Angle 4 and 1 form a linear pair, so they are supplementary.

Hence, the correct option is (a).

Supplementary angles can either be adjacent or non-adjacent. So, there are two types of supplementary angles. Each of these types of supplementary angles is explained below.

(1) Adjacent Supplementary angle.

(2) Non - Adjacent Supplementary angle.

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