Question

diagonal of square is12 then area is
$diagonaofsquare \: is \: 12cm \: then \: area \: =$
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Answer 1

Answer:

Diagonal of a square is given by

${2sides}^{2} \\ by \: pythagoas \: thorem \: \\ {side}^{2} + {side }^{2} = {2sides}^{2} \\ let \: the \: side \: of \: square \: b e \: x \\ {x}^{2} + {x}^{2} = {12}^{2} \\ {2x}^{2} = 144 \\ {x}^{2} = \frac{144}{2} = 72 \\ {x}^{2} = 72 \\ x = \sqrt{72} = 8.4 \\ area \: of \: square = {x}^{2} \\ {x}^{2} = 72$

Step-by-step explanation:

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