![]() Use the Distance Formula to find each side length. Holt McDougal Geometry 10-4 Perimeter and Area in the Coordinate Plane Example 2 Continued Step 3 Since EFGH is a parallelogram, EF = GH, and FG = HE.Holt McDougal Geometry 10-4 Perimeter and Area in the Coordinate Plane Example 2 Continued slope of EF = slope of FG = slope of GH = slope of HE = The opposite sides are parallel, so EFGH is a parallelogram.To verify this, use slopes to show that opposite sides are parallel. Holt McDougal Geometry 10-4 Perimeter and Area in the Coordinate Plane Example 2 Continued Step 2 EFGH appears to be a parallelogram.Example 2: Finding Perimeter and Area in the Coordinate Plane Step 1 Draw the polygon. Find the perimeter and area of the polygon. Holt McDougal Geometry 10-4 Perimeter and Area in the Coordinate Plane Draw and classify the polygon with vertices E(1, 1), F(2, 2), G(1, 4), and H(4, 3). ![]() Holt McDougal Geometry 10-4 Perimeter and Area in the Coordinate Plane Remember!.There are approximately 33 whole squares and 9 half squares, so the area is about 38 units 2. Holt McDougal Geometry 10-4 Perimeter and Area in the Coordinate Plane Check It Out! Example 1 Estimate the area of the irregular shape. ![]() There are approximately 24 whole squares and 14 half squares, so the area is about Use a for a whole square and a for a half square.
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