Oblicz pole rombu o obwodzie 36 cm i wysokości 3 cm.
L=36cm
L=4*a
36=4*a/:4
9=a
P=a*h
P=9*3
P=27[cm²]
Wzór: a*h
36cm/4 = 9cm
9cm*3cm = 27cm²
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L=36cm
L=4*a
36=4*a/:4
9=a
P=a*h
P=9*3
P=27[cm²]
Wzór: a*h
36cm/4 = 9cm
9cm*3cm = 27cm²