What is (+12) – (-8)?
2 answers:
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Answer:
The value of x is 40.
Step-by-step explanation:
The measures of the angles in a quadrilateral are represented by x, 2x, 3x, and 3x.
According to the angle sum property of quadrilateral, the sum of interior angles of a quadrilateral is always 360 degree.
Since the measures of the angles in a quadrilateral are represented by x, 2x, 3x, and 3x, therefore
This is the equation which is used to solve for the value of x.
Therefore the value of x is 40.