Lesson 5 Homework Practice

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Lesson 5 Homework Practice Polygons on the Coordinate Plane Graph each figure and classify it. Then find the area. 1. A(3, 6), B(9, 3), C(5, 3)

obtuse triangle; 6 square units 10 9 8 7 6 5 4 3 2 1

2. D(-1, -1), E(-1, 3), F(2, 4), G(2, -3)

trapezoid; 16.5 square units

y

5 4 3 2 1 -5-4-3-2

1 2 3 4 5x

O -2 -3 -4 -5

1 2 3 4 5 6 7 8 9 10 x

O

y

Graph each rectangle with the given vertices. Then find the perimeter of each rectangle. 3. H(3, 0), I(3, 7), J(6, 7), K(6, 0)

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20 units 10 9 8 7 6 5 4 3 2 1 O

4. L(-3, -2), M(-3, 2), N(2, 2), O(2, -2)

18 units

y

5 4 3 2 1 -5-4-3-2

1 2 3 4 5 6 7 8 9 10 x

O

y

1 2 3 4 5x

-2 -3 -4 -5

5. PARKS Anika is hiking on a rectangular trail at the national park. There are four resting spots along the corners of the trail. On the map, they are marked with coordinates of (-2, 2), (1, 2), (1, -2), and (-2, -2). If each unit represents 1 mile, find the perimeter of the trail in miles, using the coordinates 14 mi

Course 1 • Chapter 9 Area

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