Question

pls answer this fast​

Answer 1

5x - 60 + 2x + 40 + 3x - 80 = 180° ..... [Angle - sum property]

10x - 100 = 180°

10 x = 180 + 100

10x = 280

$x = \frac{280}{10} \\ \\ x = 28 {}^{}$

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Answer 2

A + B + C = 180°

5x - 60° + 2x + 40° + 3x - 80° = 180°

10x - 100° = 180°

10x = 180° + 100° = 280°

x = 280° / 10° = 28°

Here , x =28°

Hope this is helpful