5) 4 3 12 6

• k = AB/MK = 4/3
• P_ABC = k * P_MKL = 12, значит, P_MKL = P_ABC / k = 12 / (4/3) = 12 * (3/4) = 9
• S_MKL = S_ABC / k² = 6 / (4/3)² = 6 / (16/9) = 6 * (9/16) = 54/16 = 27/8 = 3.375

Ответ: k = 4/3; P_MKL = 9; S_MKL = 3.375