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= 1/2 × 5 × 8
= 20 × 2 = 40 (karena segitiganya ada dua)
Persegi panjang (samping) ; l p
= 16 × 5
= 80 × 2
= 160 (karena ada 2)
Persegi pamjang tengah : l p
= 8 × 10
=80
Luas Total = 40 + 160 + 80
= 280 cm kuadrat
*harap di cek kembali hasil perkaliannya hehe