tolong dijawab.pakai cara

3.) Volume kerucut = 1/3 x L.alas x T
                               = 1/3 x Phi r kuadrat x T
                               = 1/3 x 3.14 x 6 x 6 x 12
                               = 452.16 cm kubik
4.) Luas Selimut = phi x r x s
                           = 3.14 x 6 x 16
                           = 301.44 cm kuadrat
5.) Limas Segilima