Question

please answer quickly ​

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

$\frac{5x}{4} + x$ = 180°    ----------------(Linear Pair)

LCM = 4

$\frac{5x+4x}{4}$

$\frac{9x}{4}$  = 180°

9x = 180 * 4

x = $\frac{180*4}{9}$

x = 20*4

x = 80°

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