Question

pls tell the correct answer​

Answer 1

Answer:

60

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Answer 2

Answer:

• 60° is the measure of ∠B.

Step-by-step explanation:

In the figure,

∠A = 180° - 110°

• 70°

[∵ Linear pair]

∠C = ∠DCE = 50°

[∵ Vertically opposite angles are equal]

• 50°

∠A + ∠B + ∠C = 180°

[∵ Angle sum property]

70° + 50° + ∠C = 180°

∠C = 180° - 120°

• 60°

∴ 60° is ∠B's measure.