Mohon bantuanya nomer 24

Keliling = 2 x (p + l)
162 = 2 x (7x + 6 + 5x + 3)
162 = 2 x (12x + 9)
81 = 12x + 9
72 = 12x
6 = x

maka :
• panjang = 7x + 6 = 7 x 6 + 6 = 48 cm
• lebar = 5x + 3 = 5 x 6 + 3 = 33 cm

jawabannya yang D yaa

semoga membantu