Determine the area can be decorated — task. Maths TNSB Mentoring, Class 10.

Rathna has 16 square colour papers of sizes 13 $cm$, 14 $cm$, 15 $cm$, … 28 $cm$. How much area can be decorated with these colour papers?

Area can be decorated:

Reference:

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8. Determine the area can be decorated