pakai cara yak mencari luas juga kok

L = p×l
= 16×4
= 64cm²
L = ½×π×r×r
= ½×3,14×2×2
= 6,28cm²×2=12,56cm²
L = ½×(a+b)×t
= ½×(16+10)×5
= ½×26×5
= 65cm²
L seluruhnya= 64+12,56+65=141,56cm²