Question

Find m<1


A. 70°

B. 65°

C. 50°

D. 40°

Answer 1

Question :- Find Angle 1 in diagram

Answer:- Exterior angle is equal to sum of two opposite interior Angle

so :- ATQ

`140 = \angle1 + 90 \\ 140 - 90 = \angle1 \\ 50° = \angle1 \: \: ans`

so your answer is option (C) 50°