Question

Find the value of X in each of the following diagram: Please need quick answer

Answer 1

Since, AB is a line,

therefore,

$2x + 10° + 3x - 10° + 40° = 180°$

Or,

$5x + 40° = 180°$

Or,

$5x = 140°$

Or,

$x = 28°$

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Answer 2

Answer:

(2x+10)+(3x-10)+40=180

2x+10+3x-10=180-40

2x+10+3x-10=140

5x+0=140

x=140÷5

x=28

So, 2x+10°=66°

And 3x-10=74°