oblicz pole rombu o obwodzie 32 cm i wysokości równej 4 cm
a=32/4=8
a=8cm
h=4cm
P=a*h
P=8*4=32cm
P = ?
Ob = 32cm
h = 4cm
Ob = 4 * a
4 * a = 32cm
a = 32cm : 4
a = 8cm -------- bok rombu
P = a * h
P = 8cm * 4cm
P = 32cm^2 ------- odpowiedź
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a=32/4=8
a=8cm
h=4cm
P=a*h
P=8*4=32cm
P = ?
Ob = 32cm
h = 4cm
Ob = 4 * a
4 * a = 32cm
a = 32cm : 4
a = 8cm -------- bok rombu
P = a * h
P = 8cm * 4cm
P = 32cm^2 ------- odpowiedź