no 5 dong. supaya dapat pahala

tinggi = luas / alas
= 6x^2+13x+6
----------------------
2x + 3

= (2x + 3)(3x+2)
----------------------
2x + 3

= 3x + 2

tinggi = 3x+2 = 3×2 +2 = 8 cm

alas = 2x+3 = 2×2 +3 = 7 cm

luas = 1/2 × 8×7 = 28 cm^2