Question
1. Consider a heptagon geometric figure.
a) Write an equation for its perimeter
b) If you graph the equation wherein x=2, 5, 8, and 12, does the graph show direct variation?
2. The surface area of a cube varies directly as the square of its edge. If each edge measures 3 in., what is its surface area?
a) Write an equation for its perimeter
b) If you graph the equation wherein x=2, 5, 8, and 12, does the graph show direct variation?
2. The surface area of a cube varies directly as the square of its edge. If each edge measures 3 in., what is its surface area?
Answers
Henry
2. A cube has 6 edges.
As = 6 * 3^2 = 6 * 9 = 54 Sq. In.