23.k=2×(p+l)
=2×(45+25)
=2×70
=140
24.L=1/2×alas×tiggi
=1/2×24×16
=12×16
=192
25.L=22/7×28×28
=22×4×28
=88×28
=246
27.C.tabung
28.8×8=64(luas satu sisi kubus)
luas kubus =64×6=384
29.C
30.v=s×s×s
=24×24×24
=576×24
=13.824
maaf ya no 26belum ketemu
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23.k=2×(p+l)
=2×(45+25)
=2×70
=140
24.L=1/2×alas×tiggi
=1/2×24×16
=12×16
=192
25.L=22/7×28×28
=22×4×28
=88×28
=246
27.C.tabung
28.8×8=64(luas satu sisi kubus)
luas kubus =64×6=384
29.C
30.v=s×s×s
=24×24×24
=576×24
=13.824
maaf ya no 26belum ketemu