Sebuah kerucut keliling alasnya 75,36 cm dan inggi 16 cm hitunglah: a. Panjang jari jari kerucut b. Volume kerucut

K = 75,36 cm
t = 16 cm
a) R = ....???
b) V = ....???

a) K = 2πR ⇔ 75,36 = 2(3,14)R ⇔ R = 12 cm

b) V = (1/3)πR²t ⇔ V = (1/3)(3,14)(12²)(16) = 2.411,52 cm³