To find the interior angle, you use the formula ((n - 2) x 180) / n (where n is the number of sides).
So, ((20 - 2) x 180) / 20 = 162
To find the exterior angle, you merely take away the interior angle from 180.
180 - 162 = 18, so the exterior angle is 18 degrees
Another, easier, way is to just divide 360 by n. All exterior angles always add to 360. Thus, 360 / 20 = 18 degrees
Answer:
0 true for all values
Step-by-step explanation:
Answer:
Step-by-step explanation:
To solve this problem, we must get the variable x alone on one side of the equation. To do this, first we must subtract 8 from both sides of the equation.
11=x/-5 + 8 = 19 = x/-5
Next, we must multiply both sides by -5, to cancel out the fraction term on the right side of the equation.
3 = x/-5 = -15=x
Therefore, x = -15, which is the solution to this equation.
Hope this helps!
