Question

An angle is equal to 1/3 its suplement. find its measure

Answer 1

angle =1/3 of 180
         = 60 degree

Answer 2

Answer:

your correct answer is here

Step-by-step explanation:

$\frac{1}{3} \times 180 \: degree \\ \frac{60}{1} = 60 \: degree$

your correct answer is 60°