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The street sign demonstrates postulate 1-3 because it shows two planes which are the signs intersecting right in the middle.

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This rail road crossing sign represents postulate 1-2 because it has two lines that intersect in one point.

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The middle line in this kite represents a segment bisector because it intersects another line segment and creates two equal sides.

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This is an example of a midpoint because it is the middle point between each of the triangles line segments.

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The rail road tracks represent parallel lines because they're the same distance apart and never interest.

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These lollipop sticks represent a line segment because it has two points and does not extend past the end points.

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This road represents a line because it it continuous and extends in both directions.

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This is an example of the plane because the white board acts as a flat figure.

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This dart board shows a point because it has a dot in the middle that represents only a position.

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These buildings show congruent angles because the buildings mirror exactly each other on each side.

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This computer represents a right angle because when the screen is up it makes a perfect 90 degree angle.

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This picture shows an obtuse angle because the lawn chair is greater than 90 degrees but less than 180 degrees were it opens.

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This pizza is an example of an acute angle because it is smaller than 90 degrees.

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This play pen shows perimeter because it gives a boundary for anyone who is in it.

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Multiple squares are represented in this picture because not only the outline is a square, but also the squares that make it up. We know these are squares because they have four sides that are all equal.

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This picture represents rectangles because the brick has each opposite sides the same length, but all the sides are not the same.

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A triangle is represented in this picture because in between the lines in the hanger you can see the outline of a triangle and its three vertices and three edges.

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A circle is represented in this picture because the ferris wheel has carts that are all connected to a circle that moves around in different motions.