Question

Given: 1 is complementary to 2. 2 is complementary to 3. Prove: m1 = m3 What is the missing statement in step 3 of the proof? m1 = m2 m1 + m2 = 90° m2 = m3 m2 + m3 = 180°

Answer 1

Answer: it is (b)

Step-by-step explanation: therefore second option

(b)mAngle1 + mAngle2 = 90°