Question

please help me do this question ​

Answer 1

Ans:

(2) 70°

Explanation:

Angle adjacent to 47° and alternate interior to 78 ° will become 78°.

And

78° and 47°+y are co interior,

which means their sum will be 180,

so,

78 + 47 + y = 180

so,

y = 180 - 125

y = 55

Now,

x = 47° + 78° (exterior angle of a triangle is equal to the sum of opposite interior angles)

so,

x = 125°

Now,

x - y = 125° - 55° = 70°.

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Answer 2

Answer:

Hope it is the correct answer