" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
perpustakaan: 10m x 6m = 60m pangkat 2
tanaman: 5m x 4,5m = 22,5m pangkat 2
luas halaman sekolah sekarang: 900m pangkat 2 - (60m pangkat 2 + 22,5m pangkat 2) = 900m pangkat 2 - 82,5m pangkat 2 = 817,5m pangkat 2
10X6 =60
4,5X5=22,5
900-60-22,5 = 818,5