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Tacks on a cork board are coplanar because there are two or more points (tacks) on the same plane (cork board)

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A yield sign is a triangle because it is a plane figure with three sides & three angles.

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A evenly cut pie has congruent angles because every piece has the same degree/measurement.

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The propellor on a helicopter are vertical angles because they are two non-adjacent angles & it's sides are opposite rays.

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Tile flooring is a good example of a plane because every tile is a flat surface that extends outward.

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The sections in between bricks are lines because they represent straight paths that extend in two opposite directions.

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A ruler is similar to collinear points because it has 3 or more points where each inch represents a point on the same line

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two yellow road lines are parallel lines because they are 2 of that same line & the same distance apart.

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A whole pizza is a circle because it's boundary has a circumference & has equal distances in all directions from the midpoint.

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The Empire State Building is like a line segment because it is a straight line with two distinct ending points.

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The Tower Bridge is like a straight angle because the connecting bridge creates a straight line of exactly 180 degrees.

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A computer opened up straight creates a right angle of exactly 90 degrees.

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Hockey sticks are a good example of obtuse angles because they are lines that open in two directions, making an angle less than 180 degrees and more than 90 degrees

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Tongs are a good example of acute angles because they open up to an angle less than 90 degrees

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Tacks on a cork board are coplanar because there are two or more points (tacks) on the same plane (cork board)

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A tissue box is a good example of postulate 1-3 because it has planes (the sides of the boxes) that intersect at a point.

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An archery target is has a midpoint because the yellow section is the middle of the target

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A fence is like congruent segments because there are sections with the same length.

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A railroad crossing sign is a good example of postulate 1-2 because its 2 lines (signs) that cross and intersect at one point (the middle).