Krishna
0

Step 1: Add up the two known angle measurements.

          EXAMPLE: Given Angles 50 \degree and 70 \degree         

                             50 \degree + 70 \degree  = 120            

          

Step 2: Subtract this number from 180°

            EXAMPLE: 180 \degree - 120 \degree


Step 3: Write down your answer.

          EXAMPLE: = 60 \degree