An irregular solid, when placed on a centimetre graph paper and outline is drawn, covers 8 complete square and 14 incomplete squares. What is the approximate area bounded by the outline?

$14 c m^{2}$

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$15 c m^{2}$

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$18 c m^{2}$

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$22 c m^{2}$

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Solution

The correct option is B
$15 c m^{2}$

For irregular shapes:

Area = Number of complete square + $\frac{1}{2} \times number of incomplete squares$

Area = 8 + $\frac{1}{2} \times 14 = 15$

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An irregular solid, when placed on a centimetre graph paper and outline is drawn, covers 8 complete square and 14 incomplete squares. What is the approximate area bounded by the outline?

The correct option is B 15 cm2 For irregular shapes: Area = Number of complete square + 12×number of incomplete squares Area = 8 + 12×14= 15

The correct option is B
$15 c m^{2}$

For irregular shapes:

Area = Number of complete square + $\frac{1}{2} \times number of incomplete squares$

Area = 8 + $\frac{1}{2} \times 14 = 15$