Determine the area can be decorated — task. Mathematics State Board, Class 10.

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Vennila has 19 square colour papers of sizes 11 \(cm\), 12 \(cm\), 13 \(cm\), … 29 \(cm\). How much area can be decorated with these colour papers?

Area can be decorated:

$8170 {cm}^{2}$
$8138 {cm}^{2}$
$8194 {cm}^{2}$
$8120 {cm}^{2}$

Reference:

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