Question

please help me i have been stuck on this

Answer 1

Ans 1. x=60°

Ans2. a) x=80°

b) Given: AD║EH

∴ ∠CBD=∠BFH= 100°(Corresponding angles)

Also, ∠EFB+∠HFB=180°(Supplementary angles)

⇒x+100=180

⇒x=180-100

⇒x=80°