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52=4×s
52/4=s
13=s
mencari d2
=√13×13 - √(10/2×10/2)
=√169 - √25=√144
=12×2=24cm
luas alas prisma(belah ketupat)
=1/2×d1×d2
=1/2×10×24=120
luas selubung prisma=4×p×l
1040=4×p×12
1040=48×p
1040/48=p
21,6=p/tinggi prisma
volume prisma
luas alas×tinggi
120×21,6=2592
maaf apabila salah