Hitunglah volume kerucut yang memiliki: a.r=8cm dan t=15cm b.r=7cm dan s= 25cm c.r=10cm dan t=21cm

a) V.kerucut = ⅓πr²t
V.kerucut = ⅓ x 3,14 x 8² x 15
V. Kerucut = 1004,8cm³

b) t = √s²-r²
t = √25²-7²
t = √625-49
t = √576
t = 24cm

V. Kerucut = ⅓πr²t
V.kerucut = ⅓ x 22/7 x 7²x 25
V. Kerucut = 1283,33cm²

c) V.kerucut = ⅓πr²t
v.kerucut = ⅓ x 3,14 x 10² x 21
v. Kerucut = 2198 cm³