Question

please help me to solve this​

Answer 1

Answer:

the answer is 60°

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given that,

Angle ACB = 55°

Angle ADE = 65°

Angle ACB= Angle AED (Corresponding angles)

Angle AED = 55°

Now,

ADE is a small traingle

Angle ADE + Angle AED + Angle DAE = 180°

65° + 55° + Angle A = 180°

Angle A = 180° - 120°

Angle A = 60°

Now,

In Triangle ABC,

Angle A + Angle B + Angle C = 180°

60° + Angle B + 55° = 180°

Angle B + 115° = 180°

Angle B = 180° - 115°

Angle B = 65°