Odpowiedź:
zad 4
a)
obwód = x + y + z
P - pole = 1/2 * x * y = xy/2
b)
obwód = 2b + 2c = 2(b + c)
P - pole = c * a = ac
c)
obwód = 2y + z
P - pole = 1/2 * z * x = xz/2
d)
obwód = a + b + c + d
P - pole = 1/2 * (a + b) * c
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Odpowiedź:
zad 4
a)
obwód = x + y + z
P - pole = 1/2 * x * y = xy/2
b)
obwód = 2b + 2c = 2(b + c)
P - pole = c * a = ac
c)
obwód = 2y + z
P - pole = 1/2 * z * x = xz/2
d)
obwód = a + b + c + d
P - pole = 1/2 * (a + b) * c