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the line in the middle of the kite is a straight angle because it has a measure of 180 degrees.

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The line completing the T was bisecting the line creating 2 90 degree angles. All together it is 180 degrees.

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The book spines or the book itself is a rectangle because there is one long side and one short side.

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A chess board is a square because every side is the same length.

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A clock is a circle because it has 360 degrees.

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The caution sign is a triangle because there are three sides.

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The Telephone wire is a line because it doesn't end.

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Railroad tracks are parallel lines because they never meet.

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The middle of the basketball court is a midpoint. (the line going from top to bottom as shown in the picture)

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The angle is the cut slice of pizza because it is less that 90 degrees.

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The open fan represents an obtuse angle because the fan is open past 90 degrees.

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The edge of the paper is a right angle.

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The angles between the sign edges are vertical angles.

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The football players are in a line representing the points on a line.

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The tennis balls on the tennis court represent the points on a plane and the plane is the court.

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The floor is an example of a 2D plane in math

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the points on a map are an example of the points in math