Question

Pls give the correct answer for above attached question with steps.

Answer 1

Answer:

angle B=80°

Step-by-step explanation:

angle ACB=angle ECD=50°

angle BAC=180-110 (linear pair)=70°

therefore angle ABC=180-70+50(angle sum property)=80°

Answer 2

Answer:

∠B = 60°

Step-by-step explanation:

∠BAC + ∠CAF = 180°(BF is a straight line)

∠BAC = 180 - 110

∠BAC = 70°

∠ACB = ∠DCE = 50°(Vertically opposite angles are equal)

In ∆ABC,

∠B + ∠BAC + ∠ACB = 180°(Angle - sum property of a triangle)

∠B + 70 + 50 = 180°

∠B = 180 - 120

∠B = 60°