Answer:
The total distance of the outer sides of a closed figure is known as the perimeter. It is the total length of all sides of a polygon. Perimeter = Sum of all sides.
Formula:
The sum of interior angles of a polygon with “n” sides =180°(n-2) Number of diagonals of a “n-sided” polygon = [n(n-3)]/2. The measure of interior angles of a regular n-sided polygon = [(n-2)180°]/n. The measure of exterior angles of a regular n-sided polygon = 360°/n.
Step-by-step explanation:
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Ok, remember that half a circle is always 180 degrees. so..
1. 141
2. 23
3. 88
4. 120
5. 119
6. 152.
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The y-intercept is (0,7) and the x-intercept is (-2,0).
