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Luas 2 :
alas =36+28 = 64
Tinggi = 60-36 = 24
1/2 x 64 x 24 = 768 cm²
Luas 1+2 = 1296 + 768 = 2064 cm²
Luas I = 36² ( 36 × 36 )
= 1296 Cm²
Luas II = × Alas × Tinggi
= × ( 28 + 36 ) × ( 60 - 36 )
= × 64 × 24
= 32 × 24
= 768 Cm²
Luas Seluruhnya = Luas I + Luas II
= 1296 + 768
= 2064 Cm²