1. The formula for determining the area of a trapezoid is: A. ½ Base x Height B. [(Base1 + Base2) ÷ 2] x Height C. Base x Height D. ��² 2. The formula for determining the area of a triangle is: A. ½ Base x Height B. [(Base1 + Base2) ÷ 2] x Height C. Base x Height D. ��² 3. The formula for determining the area of a circle is: A. ½ Base x height B. [(Base1 + Base2) ÷ 2] x Height C. Base x Height D. ��² 4. “On-center” is a term to describe the distance from the center of one framing member to the center of the next framing member, i.e., studs, joist, rafters. A. True B. False 5. Select the False statement A. Plywood, oriented strand board (OSB), fiberboard, and rigid insulating panels are widely used for sheathing. B. Wall sheathing reinforces the wall framing. C. The thickness of the sheathing has no affect on the cost of the material. D. Sheathing adds rigidity, strength and some insulating qualities to the wall of a structure. E. Sheathing provides a flat surface backing for other products, such as siding. 6. Which of the following components is not a part of a roof truss? A. Top Chord