If you have an equation, then the number before the x is your slope, if you have points, use the equation (y2-y1)/(x2-x1)
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20 - (3 x 2 cubed - 5 ) The Answer Is 1
120°
the sum of the interior angles of a polygon = 180°( n - 2)
where n is the number of sides
here n = 6 ⇒ sum = 180° × 4 = 720°
thus each interior angle =
= 120°