no 13 kk minta bantuan ya ya

p = 3x - 2. l = 2x + 1. k = 38

k = 2(p + l)
38 = 2(3x-2 + 2x+1)
38 = 6x - 4 + 4x + 2
38 = 10x - 2
38 + 2 = 10x
x = 40/10
x = 4

p = 3x - 2. l = 2x + 1
= 3(4) - 2. = 2(4) + 1
= 12 - 2. = 8 + 1
= 10. = 9

L = p × l
= 10 × 9
= 90 cm²