Question

find the valuex solve this question fast​

Answer 1

3x + 2x + x = 180° ( Sum of the angles on a line is 180° )

or, 6x = 180°

or, x = 180/6 = 30°

The value of x is 30°.

Answer 2

we know sum of a+b+c = 180°

$3x + 2x + x = 180$

$6x = 180$

$x = \frac{180}{6}$

$x = 30$

So x = 30°