Zee school , math subject.

From a rectangular sheet of tin,of size 100cm by 80cm,are cut four squares of side 10cm from each corner.Find the area of the remaining sheet.

1. What is the area of the original sheet ?
What is the area of one of the squares to be cut out?
How many of those cut-out squares are there?
What is left over after we cut them out?
... etc.

posted by Reiny

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