Step 1:
Find the length of the bulletin board by measuring the LONGER side. Find the width by measuring the SHORTER side. If the bulletin board is a three-dimensional object, find the height by measuring from the bottom of the bulletin board to the top.
Step 2:
Add the measurements of all four sides to find the perimeter.
Step 3:
Find the area by multiplying the length and width.
Step 4:
Find the volume by the area by height.