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= 9 cm
b = s : 2
= 24 cm : 2
= 12 cm
a² + b² = c²
9² + 12² = c²
81 + 144 = c²
225 = c²
√225 = √c²
15 = c
t sisi tegak = c
= 15 cm
LP = La + Jumlah L sisi tegak
= s² + 4(1/2 × a × t)
= 24² + 4(1/2 × 24 × 15)
= 576 + 4(180)
= 576 + 720
= 1296 cm²
L triplek = p × l
= 3 m × 1,5 m
= 4,5 m²
= 45.000 cm²
Banyak = Luas triplek : L permukaan limas
= 45.000 cm² : 1296 cm²
= 34 sisa 936
Jadi banyak limas yang dapat dibuat dari triplek tersebut adalah 34 buah.