Math, asked by mona110, 1 year ago

How many paving stones , each measuring 10dm by 9dm are required to pave a varandah 60 m by 6 m

Answers

Answered by calm1
6
no.of paving stones=area of varandah/area of1 stone
=60×6/1×0.9
=360/0.9
=400
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