Other Alcohol Issues. Alcohol is corrosive and can degrade plastic, rubber or even metal parts in the fuel system that weren't engineered to use alcohol-bearing fuel. Consequently, that antique Evinrude outboard or '60s lawn tractor you bought at the swap meet might need some upgrading to stay together on today's gas.
Best Answer: a cone has Facse: 2 (the base and the slanted surface) Edges: 1 (the joining of base with the slanted surface) Corners: 1 (the apex) You just need to visualize the cone. Source(s): TJ Â· 9 years ago.
A rectangular pyramid has 5 vertices, 5 faces, and 8 edges. A rectangular pyramid has a rectangle for a base and triangle faces. Since the rectangle has four sides, there are four triangular faces. An edge is a line segment that connects any two sides. Each side of the rectangle connects to a triangle (4 edges), and there are connections between the trangles (4 edges). 4 + 4 = 8 edges.