Question

Could someone help me with 6-7?

Answer 1

5)

If m<3 = 42 then m<6 = 42 (vertical angles)

6)

If m<BHE = 142, then m<1 = 142 – 90 = 52 because m<CHE = 90

7)

If m<1 = 37 then m<6 = ?

m<1 +m< 7 = m<6 + m< 7 = 90

So

m<1 = m< 6 = 37