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a = t limas
= 15 cm
b = s : 2
= 16 cm : 2
= 8 cm
a² + b² = c²
15² + 8² = c²
225 + 64 = c²
289 = c²
√289 = √c²
17 = c
t sisi tegak = c
= 17 cm
LP = La + Jumlah L sisi tegak
= s² + 4(1/2 × a × t)
= 16² + 4(1/2 × 16 × 17)
= 256 + 4(136)
= 256 + 544
= 800 cm²
Jadi luas permukaan limas tersebut adalah 800 cm²