Question

What value of 'x' makes AB parallel to CD ?​

Answer 1

Answer:

$\tt(6x -9)+(3x+30) = 180°$

$\tt \implies \: 9x - 21 = 180 \degree$

$\tt \implies \: 9x = 180 - 21$

$\tt \implies \: x = \frac{159}{9}$

Answer 2

(6x-9) +(3x+30) =180°

= 》9x-21 =180°

= 》9x =(180+21)°

= 》x =201

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9

HOPE IT HELPS YOU