A sheet of paper measures 30cm by 20cm.A strip 4cm wide is cut from it all around .Finf the area of the strip cut out.
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the ares if the strip cut out is 120cm square
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area of the paper = 30×20
=600
area of the paper left when cut off the strip = 22×12
=264
area of the strip = 600 - 264
=336 cm²
=600
area of the paper left when cut off the strip = 22×12
=264
area of the strip = 600 - 264
=336 cm²
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