Mathematics

Khalil Turner

10 December, 05:28

Eight sided dice can be described as two square based pyramids stuck together at the bases. Their faces are equilateral triangles. If the edge of one die is 2 mm, find the difference in materials cost between a solid gold die and a "gold" painted plastic die.

Gold costs $40.38 per gra. Gold weighs. 02 grams per cubic mm. Plastic costs $10 per gram. Plastic weighs. 01 grams per cubic mm. "Gold" paint costs $.01 per square mm.