If you’re looking to find the area or volumes of basic shapes like rectangles, triangles, or circles, keep this diagram handy for the simple math formulas:

If you’re looking to find the area or volumes of basic shapes like rectangles, triangles, or circles, keep this diagram handy for the simple math formulas:
Mark Zegarelli is a math and test prep tutor and instructor. He is the author of Basic Math & Pre-Algebra For Dummies, SAT Math For Dummies, ACT Math For Dummies, Logic For Dummies, and Calculus II For Dummies.