An irregular figure covers 12 complete squares and 18 incomplete squares on a centimetre graph paper. Out of those 18 incomplete squares, 9 cover less than half a box. The approximate area of the figure will be:

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Solution

While measuring the area of an irregular figure with the help of a graph paper:

Area = (Number of complete squares + Number of half or more than half complete squares) x Area of 1 square

Therefore, area = (12 + 9) x 1 $c m^{2}$ = 21 $c m^{2}$ .

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An irregular figure covers 12 complete squares and 18 incomplete squares on a centimetre graph paper. Out of those 18 incomplete squares, 9 cover less than half a box. The approximate area of the figure will be:

While measuring the area of an irregular figure with the help of a graph paper: Area = (Number of complete squares + Number of half or more than half complete squares) x Area of 1 square Therefore, area = (12 + 9) x 1 cm2 = 21 cm2.

While measuring the area of an irregular figure with the help of a graph paper:

Area = (Number of complete squares + Number of half or more than half complete squares) x Area of 1 square

Therefore, area = (12 + 9) x 1 $c m^{2}$ = 21 $c m^{2}$ .