A sheet of paper measures 30 cm and 20 cm. If a strip of 4 cm wide is cut from it all around then the area of the remaining sheet is
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The area of an object is the amount of surface that the object occupies.
Area formula =
= length width
= l × w
Area of the sheet = l × w = 20×30
=600 cm²
Area of remaining sheet
= (20-2 (4))×(30-2(4))
=12×22
=264 cm²
Area formula =
= length width
= l × w
Area of the sheet = l × w = 20×30
=600 cm²
Area of remaining sheet
= (20-2 (4))×(30-2(4))
=12×22
=264 cm²
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