Question

Dik.vol.kerucut 40.
Jari2nya diperbesar 2 kali,tingginya diperbesar 3 kali.
Volume sekarang?

Answer 1

V1 = 1/3 ×π×r^2×t= 40

V2= 1/3 ×π×(2r)^2×3t
V2= 1/3 ×π×4r^2 ×3t
V2= 12 × 1/3×π×r^2×t
V2= 12×40
V2= 480

Answer 2

Volume awal x 2 pangkat 2 x 3
=40 x 4 x 3
=480 cm pangkat 3