100% Correct Answers
Area of a square or rectangle - correct answers ✔✔Base x Height
Area of a triangle - correct answers ✔✔1/2 (Base x Height)
Area of a trapezoid - correct answers ✔✔[(Base1 + Base2) / 2] x Height
Area of a circle - correct answers ✔✔pi (3.14) x radius of the circle
Top chord - correct answers ✔✔serves as a roof rafter
Bottom chord - correct answers ✔✔serves as a ceiling joist; the length of this chord is the "span"
Webbing - correct answers ✔✔bracing that ties top and bottom chords together
Gussets - correct answers ✔✔wood or metal plates that hold the pieces together at the joints
On-Center (o.c.) of the trusses - correct answers ✔✔is the distance from the centerline of one framing
member to the center of the next framing member
3 - Tab Composition shingles - correct answers ✔✔these range from 200 lb. to 240 lb. and are packaged
three bundles per square
Waste for a gable roof - retangles - correct answers ✔✔10%
Waste for a hip roof - trapezoids and parallelograms - correct answers ✔✔15%