Search results
Results from the WOW.Com Content Network
Quick summary. Concave means curving inward—like the shape of the inside of a bowl. Convex means curving outward—like the shape of the outside of a contact lens. To put it another way, a concave shape can be filled, while a convex shape creates a dome.
Concave and Convex Lenses. Concave lenses focus light inside the curve of the lens, while convex lenses focus light using the outer curve. A lens that curves like a “C” (no flat side) is both concave or convex, depending on which side of the lens you view from.
Read on to learn a simple trick for remembering concave and convex. Concave means 'hollowed out or rounded inward' and is easily remembered because these surfaces 'cave' in. The opposite is convex meaning 'curved or rounded outward.'
Convex describes shapes that curve outward, like a football (or a rugby ball). If you stand in front of a concave mirror, your reflection will look taller. If you stand in front of a convex mirror, the opposite will happen—your reflection will appear shorter.
The words concave and convex describe the direction that an object curves. Because concave shapes curve in and convex shapes curve out, each of these two words describes opposite shapes.
A concave polygon, also known as a non-convex polygon, has at least one of its interior angles measuring more than 180°. Some diagonals of a concave polygon lie outside the closed figure. All concave polygons are irregular since all the interior angles are of different measures.
Concave refers to a surface curving inward, like the inside of a bowl, while convex means a surface curving outward, like the exterior of a sphere. Key Differences. Concave surfaces curve inward, resembling a cave, and are used in optical devices like telescopes to focus light.
Concave and convex are two opposite terms used to describe the shape or curvature of an object or surface. Concave refers to a shape that curves inward, resembling a hollow or a cave. It has a depressed or sunken appearance, with the center being deeper than the edges.
In geometry, an important distinction is made between shapes that are convex and those that are concave. A convex shape is one in which all interior angles are less than 180 degrees. A concave shape, on the other hand, is one in which at least one interior angle is greater than 180 degrees.
Every polygon falls into four semi-interchangeable categories. Closed shapes with more than three sides and angles can either be convex, concave, regular or irregular polygons. 1. Regular Polygon. A regular (or simple) polygon is a shape with equal angles and multiple sides with equal lengths.