Question

c) Circle the correct equation to be used to find the angles. Explain your answer. i) 9m + 40 = 3m-4 ii) 9m + 40 + 3m-4= 360° 9m + 40 3m-4 iii) 9m + 40 + 3m-4= 180°​

Answer 1

3rd is correct hope it help u