don steward
mathematics teaching 10 ~ 16

Saturday, 22 June 2013

roof area

a GCSE question asks

you could ask students how they could work out the area of a (roof) pentagon:

then consider how the various dissections result in the given expression for the (house) pentagon

when is the roof area
(a) 3400 cm squared
(b) 198198 cm squared?

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