Network
= πr(r + 2t + √(r² + t²))
Volume= volume tabung + volume kerucut
= πr²t + 1/3 πr²t
= 4/3 πr2t
b. Luas permukaan = luas selimut tabung + 2 x luas selimut kerucut
= 2πrt + 2πr√(r² + t²)
= 2πr(t + √(r² + t²))
Volume = volume tabung + 2 x volume kerucut
= πr²t + 2 × 1/3 πr²t
