Un teren in forma de dreptunghi are dimensiunile egale cu.........

Răspuns:
a)
P = 2MN + 2MQ
= 2×8√5 + 2×4√3
= 16√5 + 8√3
= 8(2√5 + √3) cm
b)
√5 ≈ 2.23
√3 ≈ 1.73
P = 8(2×2.23 + 1.73)
= 8(4.46 + 1.73)
= 8×6.19
= 49.52 cm