PRZEKSZTAŁCANIE WZORÓW
z podanych wzorów wyznacz wskazane wielkości:
P=2*pi*r*(r+h) wyznacz h
P=2*(a*b+b*c+a*c) wyznacz a
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P = 2πr(r+h)
P = 2πr²+rh
rh = P - 2πr²
h = (P - 2πr²)/r
P=2(ab+bc+ac)
P = 2ab+2bc+2ac
P = 2bc+ 2a(b+c)
2a(b+c) = P - 2bc
2a = (P - 2bc)/(b+c)
a = (1/2) * (P - 2bc)/(b+c)