Suppose all seven of the cubes from the center each face to the opposite face of a large 3 times 3 cube are removed and the resulting figure is dipped in red paint. How many cubes have red paint on 1 face? 2 faces? 3 faces? 4 faces? 5 faces? 6 faces? Explain. If the vertex angle of a regular polygon has measure 168 degrees, how many sides does it have? A triangle has sides 17 cm, 12 cm and 11 cm. If the altitude to the 11 cm side is 11.95 cm, what is the length of the altitude to the 17 cm side?