Question

What is the value of x? Who ever answers the question I’ll give you brainliest

Answer 1

Answer:

115

Step-by-step explanation:

By interior angle sum postulate of a quadrilateral.

$3x \degree + 45 \degree = 360 \degree \\ \\ 3x \degree = 360 \degree -45 \degree \\ \\ 3x \degree = 315 \degree \\ \\ x \degree = \frac{315 \degree }{3} \\ \\ x \degree = 105 \degree \\ \\ x = 105$