Q:
# How many edges does a cylinder have?

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### Quick Answer

A cylinder technically has two curved edges, but in mathematics, an edge is defined as a straight line. Therefore, a cylinder actually has no edges, no vertices and two faces.

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Cylinder originates from the Greek word "kulindros," meaning "roller" or "tumbler." It is a basic geometric shape, defined by its axis and enclosed surface area. In differential geometry, a cylinder's properties are more broad. When its cross section is an ellipse, parabola or hyperbola, a cylinder is called an elliptic, parabolic or hyperbolic cylinder, respectively.

Everyday uses of a cylinder are containers, the piston chamber in engines and bullet chambers.

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Q:
## What is a horizontal line?

A:A horizontal line is a straight line that goes from left to right, which can be open or closed in form. On a coordinate plane, a horizontal line runs parallel to the x-axis.

Full Answer >Filed Under: -
Q:
## What is a chord in math?

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Full Answer >**A chord is a straight line that connects two points on the curve of a circle.**Unlike a secant, which is a line that extends infinitely in both directions, a chord is confined to inside the circle.Filed Under: -
Q:
## What angle is zero degrees?

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Full Answer >**A zero degree angle appears as a straight line that travels from the point of inception to the right or positive side of a number line.**If the line travels both left and right from the point of inception, it is considered a 180 degree angle or straight angle.Filed Under: -
Q:
## What is the radiius of a circle?

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Full Answer >**The radius of a circle is the distance from the center of a circle to any point on its edge.**The word derives from the Latin word "radius," meaning a staff, a spoke or a stake of a wheel.Filed Under: