median
don steward
mathematics teaching 10 ~ 16

Wednesday, 19 January 2011

dominoes

A domino is twice as long as it is wide



if the perimeter of the whole shape is 80 cm
what is the area of each domino?










if the perimeter of this whole shape is 600 mm
what is the area of each domino?










[ from a UK KS3 SAT question ]

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