Model the Pitch of a Roof Use lines to model the roof on a local building. If you live in a house with a
pitched roof, you can use that roof.
Step 1: Draw the roof on the coordinate plane below. Use the origin for the
lower-left corner of the roof.
Step 2: Draw lines for each part of the roof. Write the equations of the lines.
Determine the point of intersection of the lines, which should be the
peak of the roof.