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lesya [120]
3 years ago
9

A square has a side lengths of 9, use the pythagorean theorem to find the length of the diagonal

Mathematics
2 answers:
AnnyKZ [126]3 years ago
3 0
The diagonal length is 12.73 units
hodyreva [135]3 years ago
3 0

{a}^{2}  +  {b}^{2}  =  {c}^{2}  \\  {9}^{2}  +  {9}^{2}  =  {c}^{2}  \\  {81} + 81 =  {c}^{2}  \\ 162 =  {c}^{2}  \\  \sqrt{162}  =  \sqrt{ {c}^{2} }  \\ 12.73 = c
the length of the diagonal is 12.73
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