W Area and Perimeter in a Coordinate Plane

Example: Graph the polygon with vertices A(-4,2), B(-4,5), C(2,5), & D(2,2).

What's the base of Polygon ABCD? What's the height of Polygon ABCD?, What's the Area? What's the Perimeter?

Six questions total, complete all of them.[br]

#1) Graph the polygon with vertices A(1,-2), B(3,-2), C(3,5), & D(1,5).

What's the base of Polygon ABCD? What's the height of Polygon ABCD?

What is the Area and Perimeter of Polygon ABCD graphed above?

#2) Graph the polygon with vertices (2,1), (2,4), and (7,1)

What is the Area of the triangle graphed above?

#3) Graph the polygon with vertices A(-2,2), B(-2,5), C(2,5), and D(2,2)

What is the Area AND PERIMETER of the rectangle graphed above?

#4) Graph the polygon with vertices (0,0), (2,5), (7,5), & (5,0)

What is the Area of the parallelogram graphed above?

#5) Graph the polygon with vertices (3,5), (4,4), and (3,-1).

What is the Area of the triangle graphed above?

#6) Graph the polygon with vertices (-5,5), (7,5), (7,-2), and (-5,-2).

What is the Area of the rectangle graphed above?

#7) Graph the polygon with vertices A(-2,1), B(-2,5), and C(5,1)

Find the area of the triangle above.

Paper Practice

Use your worksheet to graph and answer these questions:[br][br][b]Plot each set of points on a coordinate plane. Connect the points in the order given. Find the area of each figure.[/b][br][br]8) (3, 5), (3, 1), and (5, 1)[br][br]9) (0, -4), (0, 0), (-4, 0) and (-4, -4)[br][br]10) (-4, 5), (-4, 1), (2, 1) and (2, 5)[br][br]11) (3, -2), (8, -2), (7, -6) and (2, -6)[br][br]12) Find the perimeter of each figure in #9 and #10[br][br]13) Estimate the perimeter of the figure in #11. Are you able to find the exact perimeter? Why or why not?[br][br][b]Challenge- Find the area without using a graph.[br][/b][br]14) (-4, -2), (3, -2), (3, 5), (-4, 5)[br]