" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
48 - 28 = 20
20 : 2 = 10 cm (lebar)
14 x 10 = 140 cm² (luas)
b. 640 : 20 = 32 cm (lebar)
2 x (20 + 32) = 2 x 52 = 104 cm (keliling)
c. 12 x 2 = 24
84 - 24 = 60
60 : 2 = 30 cm (panjang)
30 x 12 = 360 cm² (luas)
d. 30 x 2 = 60
130 - 60 = 70
70 : 2 = 35 cm (panjang)
35 x 30 = 1050 cm² (luas