Respostas

2013-08-27T13:47:32-03:00
A²=b²+c²
a²=7²+24²
a²=49+576
a²=625a=25
Hipotenusa = 25cm

a.h=b.c
25.h=7.24
25h=168
h=168/25
h=6,72cm 
altura = 6,72cm
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