" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
kell = 2×(p+l)
= 2×(8+l+l)
56 = 16 + 4l
l = 10 cm
p = 18 cm
luas =pxl = 180 cm^2
K= 56 cm
K= 2(p + l)
56= 2(8 + l + l)
56= 2(8 + 2l)
56= 16 + 4l
56 - 16= 4l
40= 4l
4l= 40
l=40/4
l= 10 cm
Maka :
p= 8 + l
= 8 + 10
= 18 cm
L. persegi panjang :
p × l
18 × 10
180 cm²