tlg dijawab ya pakai cara no 10 terimakasih

a) Vtotal = V setengah bola + V kerucut
              = (1/2)(4/3)πR³ + (1/3)πR²t
              = (2/3)(π)(7³) + (1/3)(π)(7²)(24)
              = (686/3)π + 392π
              =(1.862/3)π cm³

b) yang b) data kurang lengkap