a square sheet of paper measures 40 cm. A strip 5 cm wide is cut off from it all around. Find the area of the remaining sheet and also the strip cut out.
It's correct Answer is 700 cm²
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Step-by-step explanation:
Area of sheetl×b
=50×30=1500sq.cm
A strip 6cm wide is cut from all around.So
Length of remaining sheet=50−6−6=38cm
Breadth of remaining sheet=30−6−6=18cm
Area of remaining sheet=38×18=684sq.cm
Area of strip cut out=1500−684=816sq.cm
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