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Big Ideas Math Integrated I, 2016 View details

4. Perimeter and Area in the Coordinate Plane

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Exercise 6 Page 410

How many sides does the polygon have? Can you draw a line along one of the sides of the polygon and make the line cross the interior?

Concave hexagon

Practice makes perfect

Let's begin by counting the sides of the polygon.

The polygon has six sides which makes it a hexagon. A polygon is concave if a line that contains a side of the polygon contains a point in the interior of the polygon. Let's draw such a line containing Side 5.