Răspuns :
L = 24 cm
l = 3/4 × 24 = 18 cm
Perimetrul = 2(L + l) = 2 × 42 = 84 cm
Latimea/ perimetru = 18/84 = 9/42 = 3/14
l = 3/4 × L = 3/4 × 24 = 18 cm
P = 2(L + l) = 2L + 2l = 2 × 24 + 2 × 18 = 48 + 36 = 84 cm
l/P = 18/84 = 3/14
L = 24 cm
l = 3/4 × 24 = 18 cm
Perimetrul = 2(L + l) = 2 × 42 = 84 cm
Latimea/ perimetru = 18/84 = 9/42 = 3/14
l = 3/4 × L = 3/4 × 24 = 18 cm
P = 2(L + l) = 2L + 2l = 2 × 24 + 2 × 18 = 48 + 36 = 84 cm
l/P = 18/84 = 3/14