Odpowiedzi

2009-04-06T17:13:33+02:00
C - przeciwprostokątna

a² + b² = c²|√
c = a +b

H = c
H = a +b

V = Pp x H

Vc = Pp x 2H
Pp = πr²

a² + (a+b)² = r²
a² + a² +2ab+b² = r²
2a²+ 2ab + b² = r²

Pp = (2a²+ 2ab + b²) π

V = (2a²+ 2ab + b²) π x 2(a+b)
V= (2a²+ 2ab + b²) π x 2a + 2b