Question

Write the measures of the supplements of the angles given below:
1) 15 dgree​

Answer 1

Explanation:

Let the measure of the supplementary angle be x°. 

∴ 15 + x = 180

∴ 15 + x – 15 = 180 – 15 ….(Subtracting 15 from both sides)

  ∴ x = 165