1. Keliling Belah Ketupat=4×sisi
128=4a×4
128=16a
a=128:16
a=8 cm
2. Luas Layang-Layang=Diagonal 1×Diagonal 2×½
280=½×20×x
280=10x
x=280:10
x=28
*Panjang diagonal yang lain adalag 28 cm
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
1. Keliling Belah Ketupat=4×sisi
128=4a×4
128=16a
a=128:16
a=8 cm
2. Luas Layang-Layang=Diagonal 1×Diagonal 2×½
280=½×20×x
280=10x
x=280:10
x=28
*Panjang diagonal yang lain adalag 28 cm