Volume kerucut yang berjari jari 7 cm panjang garis pelukisnya 25 cm
t^2 = 25^2 – 7^2
t^2 = 625 – 49
t^2 = 576
t = 24 cm
V = 1/3 × phi × r × r × t
V = 1/3 × 22/7 × 7 × 7 × 24
V = 1232 cm^3
Volume kerucut yang berjari jari 7 cm panjang garis pelukisnya 25 cm
t^2 = 25^2 – 7^2
t^2 = 625 – 49
t^2 = 576
t = 24 cm
V = 1/3 × phi × r × r × t
V = 1/3 × 22/7 × 7 × 7 × 24
V = 1232 cm^3