don steward
mathematics teaching 10 ~ 16

Wednesday, 3 June 2015

rectangle perimeter

perimeter change with area the same
cutting a shape in half - in two different ways

this task is based on a SAT question
(KS3, L4 to L6, year 2000, paper 1, question 14)

congruent rectangles making up a larger rectangle

in two different ways
'P' is the perimeter

find the length and width of the smaller rectangles

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