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# Geometry in Volleyball

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by on 11 December 2013

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#### Transcript of Geometry in Volleyball

Geometry in Volleyball

On the Court
The shape of a volleyball court is the same as a rectangle, and the court is an example of a geometric
plane
. The circle in the center of the court has a
circumference
.
Definitions
rectangle: a quadrilateral with four right angles.

plane: a flat surface that has no thickness and extends forever.

circumference: the distance around the circle.

line: a line is a straight path that has no thickness and extends forever.

acute angle: any angle who's measure are less than 90˚.

In the net, the red square indicates a set of

vertical angles,

and each string of the net is a

line
.
Even on a volleyball you can find geometry. The place where the arrow points indicates a

perpendicular bisector
.
In this position, waiting to bump the ball, you see that your arms create
intersecting lines
.
Before you serve, you stand in a position with the ball in your hand and your arm extended in front of you at an

angle
.
Definitions
At the edge of the volleyball court, you can find this angle, which you can see to be an

acute angle.
Right below the net, you can find a

straight angle.
More Definitions
vertical angles: angles that are across from each other when two line intersect. They always have the same angle measurement.

straight angle: angle that is equal to 180˚.
perpendicular bisector: a line that cuts a line segment into two equal parts at 90˚.

intersecting lines: the point where two lines meet or cross.

angle: a shape, formed by two lines or rays diverging from a common point (the vertex).

right angle: angles with measures of exactly 90˚.

In this image you can see a

right angle
in the corner of the net.