Question

what is a supplementary angle ​

Answer 1

Answer:

If the sum of 2 angles is 180° is called supplementary angle.

hope it will be helpful

Answer 2

Let us consider an angle a. The angle which when added to a makes 180 degree is called a supplementary angle. For example

40.

140+40 gives 180 i.e, 180 degree.

Therefore, 140 is the supplementary angle.

Hope you understood

Hope you have a great day! :)