menentukan volume tabung,jika r=7cm dan t=20cm

Bab Bangun ruang sisi lengkung(BRSL)

r = 7 cm
t = 20 cm

V = 22/7 × r^2 × t

V = 22/7 ×7 ×7 × 20

V = 154 × 20

V = 3.080 cm^3

dik:r=7cm
t=20cm
dit:vt=?7
jwb:vt=phixr2xt
=22/7x7x7x20
=22x7x1x20
=3.080.maaf y klau salah^^