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Working out area of rectangle

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Sara has some identical square tiles, area of tile is 5cmx5cm

sara makes rectangle laying out five rows of tiles.

there are twenty tiles in each row. what is the area of saras rectangle. show working please.

Sep 29th, 2014

There are 5 rows. Each row has twenty tiles. Totally 100 tiles. Each tile has area 25 sq. cm

Area of Sara's rectangle =25*100=2500 sq. cm

Sep 29th, 2014

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Sep 29th, 2014
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Sep 29th, 2014
Jun 27th, 2017
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