Jawapan

  • Gana
  • Bercita-cita tinggi
2016-03-11T11:04:57+08:00
X = * Luas = (3y) cm * (5xy) cm = (3*5*x*y*y) cm2 = (15xy2) cm2
1 5 1
2016-03-11T13:27:21+08:00
Luas = panjang x lebar

luas PQRS
= 5xy darab 3y
= 15xy² cm²
1 5 1