Concave vs. Convex: Meaning, Differences, Examples, and Easy Ways to Remember
Concave vs. convex describes two opposite ways that a line, shape, or surface can curve. A concave surface bends inward, like the inside of a bowl. A convex surface curves outward, like the outside of a ball. These words appear in geometry, optics, engineering, medicine, product design, and everyday American English. You may use them … Read more