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Geometry in the Real World<br />Robbie Stricklin<br />Block 2<br />Sports Theme<br />
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Point<br />A definite position with no height<br />The dots under DOWN or QUARTER are points<br />
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Line Segment<br />A finite section of line.<br />A foul line in baseball is a line segment.<br />
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Plane<br />A flat or level surface generated by a straight line moving at a constant velocity with respect to a fixed point.<br />A basketball court is a plane.<br />
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Angle<br />Space within two lines or three or more planes diverging from a common point, or within two planes diverging from common line.<br />The bottom left and bottom right of the goal post are angles <br />
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Perpendicular Lines<br />Lines that intersect to form four or more 90 degree angle.<br />The intersecting lines in the bottom left corner are perpendicular.<br />
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Parallel Lines<br />Two or more lines that are equidistant at all points and never converge or intersect.<br />The opposite out of bounds lines are parallel.<br />
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Triangle<br />A closed three-sided polygon consisting of three angles and three sides with the sum of the angles equaling 180 degrees.<br /> The billiards rack is a triangle. <br />
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Right Triangle<br />A triangle consisting of a right angle and two acute angles.<br />The top left and top right of the goal are right angles.<br />
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Pentagon<br />A closed polygon with five sides and five angles.<br />Home plate is a pentagon.<br />
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Hexagon<br />A polygon with six sides and six angles.<br />Each section on the net is a hexagon.<br />
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Square<br />A rectangle having all four sides and four angles congruent.<br />The four square court is a square.<br />
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Rectangle<br />A parallelogram having four right angles.<br />The pool is a rectangle.<br />
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Trapezoid<br />A quadrilateral plane figure having two parallel sides and two nonparallel sides.<br />The aerobic blocks ABC side are trapezoids.<br />
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Parallelogram <br />A quadrilateral having both pairs of opposite sides parallel to each other.<br />The nine-ball rack is a parallelogram.<br />
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Circle<br />A closed plane curve consisting of all the points consisting at a given distance from a point within it called a center.<br />The basketball rim is a circle.<br />
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Cylinder<br />A surface or solid bounded by two parallel planes and generated by a straight line moving parallel to the given planes and tracing a curve bounded by the planes and lying in a plane perpendicular or oblique to the given planes.<br />The hockey puck is a cylinder.<br />
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Sphere<br />A solid geometric figure generated by the revolution of a semicircle about its diameter; a round body whose surface is at all points equidistant from the center.<br />The volleyball is a sphere.<br />
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Octagon<br />A polygon with eight angles and eight sides.<br />The UFC ring is an octagon.<br />
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Oval<br />Ellipsoidal or elliptical.<br />The hockey rink is an oval<br />
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Cube<br />A solid bounded by six equal squares, the angle between any two adjacent faces being a right angle.<br />The baseball case is a cube.<br />
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