Math, asked by virendee, 1 year ago

a rectangular piece of plastic sheet measures 1 metre by 40 cm find its cost at the rate of Rs 80 per square metre

Answers

Answered by biranjansinha11

2

area of rectangular sheet =l×b

=1m×40cm=100cm×40cm=4000cm sq.=4m sq. as 1m sq.=10000cm sq.

so cost of 1m sq.=rs 80

so 4 m sq.=80×4=320 Rs

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