7) 15 36 60 54

• k = P_ABC / P_MKL = 36/60 = 6/10 = 3/5 = 0.6
• MK = AB / k = 15 / (3/5) = 15 * (5/3) = 25
• S_MKL = S_ABC / k² = 54 / (3/5)² = 54 / (9/25) = 54 * (25/9) = 6 * 25 = 150

Ответ: k = 0.6; MK = 25; S_MKL = 150