luas kerucut=.....cm2 pakai cara yahh

L kerucut = π x r x r x t
= 22/7 x 7 x 7 x 10
= 154 x 10
= 1.540 cm 2

1/3 × 22/7 × 14 × 14 × 10=
22 × 14 × 10=3080