Respostas

2014-08-05T22:11:05-03:00

 h^{2} = m . n \\  \\  12^{2} = 9 . n \\  \\ 144= 9n \\ n =  \frac{144}{9}  \\  \\ n= 16 \\ m=9 \\  \\  a = m + n \\ a = 16 + 9 \\ a = 25 \\  \\  b^{2} = a . m \\  b^{2} = 25 . 9 \\  b^{2} = 225 \\ b =  \sqrt{225} \\ b= 15 \\  \\  \\  c^{2} = a . n  \\  c^{2} = 25 . 16 \\  c^{2}=  400 \\ c =  \sqrt{400}  \\ c = 20

catetos são: 15 cm e 20 cm