 <translate> Yankin da ke cikin kusurwa mai kusurwa = πrl = 22/7 × 4 × 5 = 440/7 = 62 6/7 Slant tsawo (l) = √r(power2) + h(power2) = √16+9 = √25 = 5 Saboda haka, amsar ita ce (C). <ibo> Nkuku curved n'elu ebe = πrl = 22/7 × 4 × 5 = 440/7 = 62 6/7 Slant elu (l) = √r(ike2) + h(ike2) = √16+9 = √25 = 5 N'ihi ya, azịza ya bụ (C). 