P(abcd) = 2(ab + bc)
28 = 2(ab+bc)
14 = ab+bc
P(abc) = ab + bc + ca
24 = 14 + ca
ca = 10
ao = ca/2 = 10/2 = 5 см
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P(abcd) = 2(ab + bc)
28 = 2(ab+bc)
14 = ab+bc
P(abc) = ab + bc + ca
24 = 14 + ca
ca = 10
ao = ca/2 = 10/2 = 5 см