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# Planes Of Symmetry

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## Abdullah Abid

on 23 January 2015

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#### Transcript of Planes Of Symmetry

What are planes of symmetry?
Planes of symmetry in: Cuboid
Planes of symmetry in: Cylinder
two of the faces of a cylinder are circles, circles have an infinite number of lines of symmetry, therefore cylinders have an infinite number of planes of symmetry
Planes of symmetry in: Cone, Sphere
Planes of symmetry in cones: infinite amount (base of a cone is a circle)
Planes of symmerty in Spheres: infinite planes of symmetry through the center of the sphere since you can cut it through the center and both parts are equal.
Planes of symmetry in: Regular Tetrahedron
It has three on each face from each vertex to the midpoint of the opposite side of the face.
Planes of symmetry
in: Cube
Three planes lie parallel to the side squares and go through the centre. Six planes go through opposite edges and two body diagonals
PLANES OF SYMMETRY
Planes of symmetry of a cube - Lines of symmetry - The Lines of symmetry divides a figure into two equal halves which are mirror images of each other. A Line can not divide a 3-D figure into two halves.
If it is a CUBE (a special type of cuboid), then it has nine planes of symmetry.
If it is a cuboid with length, width and height all different, then it has three planes of symmetry.
If it is a cuboid with two equal measurements (say width and length), then it has five planes of symmetry.
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