Question

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Answer 1

Hope this helps

Explanation:

As vertical angles are always equal,

Angle A = angle B

That is,

4x + 8 = 2x + 28

4x - 2x = 28 - 8

2x = 20

X = 20/2

X = 10

Answer 2

x = 10°

Explanation:

Because <A and <B are vertical angles, they are equal.

4x+8 = 2x+28

Subtract 2x and 8 on both sides,

4x - 2x = 28 - 8

2x = 20

Divide by 2,

x = 10°