Question

Class 9 lines and angle ex:6.1 questions number 1

Answer 1

Answer:

I think I lost my testbook so the line class test book is not a clay

Answer 2

Answer:

angle AOC = BoD (v .opposite angle)

angle AOC +BOE = 70 (given)

40 + angle BOE = 70

Angle BOE = 70 - 40

Angle BOE=30

ANGLE AOB IS A STRAIGHT LINE

ANGLE AOC+ANGLE COE =180

(sum of angle at a point on a striaght line )

40+angle Coe +30 = 180

angle Coe= 180-70

angle Coe=110

reflex angle Coe = 360-angle Coe

360-110

= 250