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Geometry Project

Find Geometry in real Life!


on 28 September 2012

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Transcript of Geometry Project

By: Alexis Moreno, Vicky Reyes, and Savanna Mendez Geometry in Real-Life photo (cc) Malte Sörensen @ flickr A ray is a part of a line that starts at an endpoint and expands infinitely in one direction. Ray Ray The lines on the clock form a ray. Right Angle Two rays that share a vertex and the space between them is equal to 90 degrees. This cement block clearly shows a right angle This cement block clearly shows a right angle A triangle that has all sides equal in length. Equilateral Triangle A straight line that passes through a circle/sphere, it meets the circumference/surface at each end. Diameter This air conditioner is an example of diameter. Arc Arc Skew Line a polygon with three sides and three angles that meet up at vertices. Triangle An obtuse angle is two rays that share the same vertex, but the space they form in between is more than 90 degrees, but less than 180 degrees. Obtuse Angle Acute Angle Supplementary Angle Complimentary Angle Adjacent Scalene Chord Parallel Polygon Angle Angle Line Segment Circle A part of the circumference of a circle or other curved line, or half of a circle. Non-coplanar lines that have the appearance to be intersecting but are not. The roof of this doghouse is obtuse angle, it is more than 90 degrees but less than 180 degrees. The frame of this swing set shows an equilateral triangle. The bridge and concrete pillars appear to be touching, but in reality they are not. Two rays that meet at a common vertex and the space between is more than 0 degrees but less than 90 degrees. The branch forms an acute angle. Two angles, when combined, equal 180 degrees. Two angles, that equal 90 degrees when added. The wooden frame on this gate door is a complimentary angle. A triangle with no sides alike. Central Angle A line segment whose endpoints lie on the curve of a circle, a chord does not go directly through the center of a circle. A pair of lines that lie in the same plane but never touch no matter how far they extend. These two columns are parallel because no matter how much more they extend they will never touch. A closed plane figure with three or more, mostly, straight sides. The individual mosaic shapes are each an example of a polygon. Two rays that go out in different directions that share a common vertex. A line is a two-dimensional object that goes on forever in a plane and has no endpoint. Telephone wires are a great example of a line(s). A part of a line bounded by two endpoints. Segment Line Line Vertical Angles Corresponding Radius Alternate Exterior Angles Transversal Alternate Exterior Angles Isosceles Perpendicular Rectangle An isosceles triangle, is a triangle that has two sides equal in length. The triangle shown is isosceles because you can see that two of the sides are congruent. So is this speaker. The curves on these bricks are arcs. A type of line that bends until its endpoints join, or a round plane figure whose circumference consists of points that are equal distance from the center all around. Pizza is a good example of a circle and if eaten, can represent diameter, radius, central angle and chord. A central angle is angle that is found in the center of a circle formed by two radii. The "C" in "PAC-MAN" is a central angle. It has two radii that meet in the center of the circle. Sharing a common side or vertex not overlapping, next to. Any of four angles formed by the intersection of two lines. The bottom of a converse is an example of vertical lines. A straight line that extends out from the center of a circle/sphere to the circumference/surface, it is also defined as half the diameter. The two outer angle pairs that two parallel lines form when crossed by a transversal. A B C D AB are alternate exterior pairs, and CD are also pairs. The two inner angle pairs that are formed when two parallel lines are crossed by a transversal. A B C D EF is an interior pair, so is GH. A transversal is a line that crosses two or more lines, usually parallel. transversal The closed of gate crosses the two parallel cracks on the concrete. Two lines that intersect, and the angles they form are equal to a 90 degree angle. A parallelogram that has four right angles. This is an example of a rectangle, as you can see, it has four right angles. Two congruent angles that are positioned the same on a transversal/parallel lines. A B C D E F G H Corresponding Angles: AB CD EF GH E F G H A B C D ABC is adjacent to CBD This has three sides and three angles making it a triangle. 90 90 Both halves of these angles are 90 degrees, when added they equal 180 degrees. Each of these sides is a different measurement. This line goes through the circle, but not through the center. Angles everywhere The barriers on the street represent a line segment. The radius, as shown here, is half the diameter. This window has a perpendicular cross formed by two lines creating four 90 degree angles. This sign represents vertical angleS. Railroad tracks show parallel lines well. E H F G End of Presentation!!!
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