Tanah panjang 15 m dan lebar 30 m berapa luas dan keliling tanah tersebut
L = pxl=15×30=450
K = 2(p+l) = 2(15+30)=2.45=90
Luas = panjang x lebar
= 15m x 30m
= 45m²
Keliling = 2 x p + 2 x l
= 2 x 15m + 2 x 30m
= 30m + 60m
= 90m