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16-05-2021
Mathematics

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The diagonal of a square is 2.42 cm. Find
the area of the square.

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16-05-2021

Answer:

[tex]let \: one \: side \: be \: x \\ x = \sqrt{ {2.42}^{2} - {x}^{2} } \\ 2 {x}^{2} = 5.8564 \\ {x}^{2} = 2.9282 \\ x = 1.71 \: cm \\ area \: = x \times x \\ area = 1.71 \times 1.71 \\ = 2.92 \: {cm}^{2} [/tex]

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