Question

in the following figure find X

Answer 1

Answer:

We know that Sum of all the angles of triangle is 180

So,

(2x+40)+(5x-60)+(3x-80) = 180

10x - 100 = 180

10x = 280

x = 28

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Answer 2

Answer o==[]::::::::::::::::>

5x - 60° + 2x + 40° + 3x - 80° = 180°

5x - 60° + 2x + 40° + 3x - 80° = 180°5x - 2x + 3x + 60° + 40° - 80° = 180°

5x - 60° + 2x + 40° + 3x - 80° = 180°5x - 2x + 3x + 60° + 40° - 80° = 180°5x - 5x + 100° - 80° = 180°

5x - 60° + 2x + 40° + 3x - 80° = 180°5x - 2x + 3x + 60° + 40° - 80° = 180°5x - 5x + 100° - 80° = 180°x + 20° = 180°

5x - 60° + 2x + 40° + 3x - 80° = 180°5x - 2x + 3x + 60° + 40° - 80° = 180°5x - 5x + 100° - 80° = 180°x + 20° = 180°x = 180°/ 20°

5x - 60° + 2x + 40° + 3x - 80° = 180°5x - 2x + 3x + 60° + 40° - 80° = 180°5x - 5x + 100° - 80° = 180°x + 20° = 180°x = 180°/ 20°x = 90°

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