Question

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Answer 1

a)
$(\sqrt{26} )^{2} = ( { \sqrt{17)} }^{2} + {x}^{2} \\ {x}^{2} = 26 - 17 \\ x = 3$
b)


${6}^{2} = {( \sqrt{11)} }^{2} + {x}^{2} \\ {x }^{2} = 36 - 11 \\ x = 5m$
c)


${x}^{2} = {(2 \sqrt{2)} }^{2} \times + {1}^{2} \\ {x}^{2} = 8 + 1 \\ x = 3cm$