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Universidad Simón BolívarID- 2125
Teacher: Magaly Rodríguez
Properties and Shapes
Jone FittGildred Flores
What is the shape?
* Basic Shapes:
- Triangle
-Polygon determinated by three straight lines that cut two by two in three points.
-Classification of the triangles: By the length of its sides:
-Equilateral triangle: three sides of the same length. -Isosceles triangle: two sides of the same length. -Scalene triangle: all sides of different length.
-Classification of the triangles: By the amplitude of their angles:
-Triangle rectangle: Straight inner angle (=90º) - Obtuse-angled triangle: one angle obtuse (>90º) -Acute-angled triangle: three angles equal (<90º)
-Square
-Polygon that have the four equal sides an the four angles (=90º).
-Rectangle
-Polygon that hace four sides equal in pairs.
-Circle
-Geometric place of the points of the place whose distance to another fixed point, called center, is smaller or just as the length of the radius.
Derivative Shapes
Dome
- From semicircle.
- It’s a structural element of architecture that resembles the hollow upper half of a sphere.
- Domes have been constructed from a variety of building materials: stone, wood, brick, concrete, metal, glass and plastic.
Pyramid
- From triangle.
-It’s a building where the other surfaces are triangular and converge at a point.
-Properties: The base of a pyramid can be trilateral, or any polygon shape. The pyramid with square base is a common version.
Cube
-From square.
-It’s a polyhedron of six congruent square faces, one of the so-called Platonic solids.
- Properties: All their faces are parallel sides, and even as a prism of square base and height equal to the side of the base.
Parallelepiped
- From rectangle.
- It´s a polyhedron of six faces, in which all faces are parallelograms, parallel and equal in pairs.
- Its properties are similar to the cube but the only difference is that the height is half of the base.
Fundamental Structural Elements
-Beam
-Is a linear construction element that works mainly in bending. Is usually horizontal.
-Column
-Is a vertical architectonic piece and of extended form that serves, generally, to maintain the weight of the structure
Check this interactive
lab!
www.pbs.org/wgbh/buildingbig/lab/shapes.html
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