Tolong Jawab Dan Jelaskan

28.) V=1/2×a×b×t
=1/2×12.5cm×8cm×16cm
=1/2×1600cm³
=800cm³

29.)V= π×r²×t
=22/7×7cm×7cm×10cm
=22×7cm×10cm
=1540cm³

No. 28
Volume prisma = 1/2 × a × b × t
                           = 1/2 × 12,5 × 8 × 16
                           = 800 cm^3
             Opsi C

No. 29
Volume tabung = phi × r^2 × t
                           = 22/7 × 7 × 7 × 10
                           = 1540 cm^3
             Opsi B