median
don steward
mathematics teaching 10 ~ 16

Tuesday, 5 April 2011

designs

using the diagram, establish that if one of the angles of the rhombuses is 'R' the other is 180 - R



what are the angles in the rhombuses if the central shape is a regular pentagon?

in the kites?


what are the angles in the rhombuses?
the pentagons are regular

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