AS
1. Classify the polygon by the number of sides. Tell whether it is convex
or concave.
2. Find the perimeter of APQR with vertices P(-1, 2), Q(3, 2), and R(1, -2).
3. Find the area of ABCD with vertices A(-5, 4), B(2, 4), C(1, -1), and
D(-6, -1).
4. You are building a sandbox in your backyard.
The diagram shows the four vertices of the
bottom of the sandbox. Each unit in the
coordinate plane represents 1 foot. Find the
perimeter and area of the bottom of the
sandbox.
Q(-5.41
71-5 -2)
AY
2
R13 4)
2
$(3. 2)