Respostas

2013-06-28T14:12:35-03:00

hipotenusa= 14cm

cteto 1= 5\sqrt3

cateto 2= x

 

pela formula temos:

 

h²=c²+c².. logo:

 

14^2=(5\sqrt3)^2+x^2\\196=25*3+x^2\\x^2=196-75\\x^2=121\\x=\sqrt{121}\\\\x=11cm

2 3 2
A melhor resposta!
2013-06-28T14:23:45-03:00

14²=(5v3)²+x²

196=25.3+x²

x²=196-75

x²=121

x=11

2 5 2