CPM Homework Help : INT2 Problem 9-138

Graph the following points on graph paper and then connect them in the order given. Then find the area and perimeter of the shape. Show all work. 9-138 HW eTool (Desmos).

$A(-2,-3)$ , $B(-6,5)$ , $C(11,5)$ , $D(7,2)$ , $E(7,-3)$

Hint:

Try using the Pythagorean Theorem to find the lengths of different sides. Also try breaking up this shape into easier shapes to find the area.

Answer:

$\text{Perimeter } = 44.9 \; \text{units}$
$\text{Area} = 94 \; \text{square units}$

Use the eTool below to plot the points correctly.
Click the link at right for the full version of the eTool: INT2 9-138 HW eTool