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Geometry is everywhere by : Laura González
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Solid figures are 3D figures that have length, width and heigth. For example : Sphere Faces:0 Vertices:0 Edges:0
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Cube Rectangular prism Faces:6 Vertices:8 Edges:12 Conformed by:6 rectangles Faces:6 Vertices:8 Edges:12 Conformed by: 6 squares This is a face it is a flat surface, you will found it in solids.
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Triangular prism Cylinder Faces:5 Vertices:6 Edges:9 Conformed by: 3rectangles and 2 triangles Faces:2 Vertices:0 Edges:0 Conformed by:2 circles and a curved surface An edge is a line segment where 2 or more faces meet.
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Cone Square pyramid Faces:1 Vertices:1 Edges:0 Conformed by: 1circle and a curved surface Faces:5 Vertices:5 Edges:8 Conformed by: 4 triangles and a square This is a vertex where 3 or more points meet This is an equilateral triangle all sides are the same size. Acute angle is the smallest,it has less than 90 degrees
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Polygons are closed figures made up of lines segments, they are also plane figures. For example: Triangle Vertices:3 Sides:3 In a scalene triangle all sides have different lenght.
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Quadrilateral Pentagon Vertices:4 Sides:4 Vertices:5 Sides:5 Parallel lines never meet A right angle is a square corner It is a rectangle it have 4 right angles and is a poligon.
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Hexagon Octagon Vertices:8 Sides:8 Vertices:6 Sides:6 Intersecting lines allways cross Straight angle forms a straight lines. In this example if the red lines continuous they will Intersect.
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Circles are closed and plane figures, usually it have a center, a chord, a radius and a diameter For example: Circles The chord is a line segment that connects 2 points of a circle with out passing into the center The diameter is a line segment that pass into the center and connect 2 points The radious is a line segment that connects 1 point and the center The center is a point in the middle of a circle whit the same distance everywhere
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Symmetry is when you divide something and you get two congruent figures, each the same size. For example: Look this figure is congruent. Look this figure, the sides are not congruent.
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Similar figures have the same shape and may have diferent size. Isosceles triangle have at least 2 sides whit the same length.
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Congruent figures and motion is when you slide, flip or turn a figure. Slide:is when you move figure in a straight direction. It is a square all sides have the same length and it have 4 right angles
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Flip: its the reflection of a figure that gives its image like a mirror Turn:make a figure move about a point. It is a trapezoid have one pair of parallel lines.
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Lines go in 2 directions and it is a straight path of points. For example Intersecting lines Obtuse angle is grater than 90 degrees
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Perpendicular lines are lines that form right angles Line segment have 2 endpoints also is part of a line.
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A ray point A point is an exact location in space A ray is a part of a line, and it goes in 1 direction.
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Angle It is made by 2 rays whit the same endpoint.
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Thank You!!!
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