Question

Diketahui luas selimut kerucut = 550cm*2
Dan jari jarinya 7cm. Hitunglah volume kerucut.

Answer 1

Diket :
ls = 550 cm²
r = 7 cm

ls= πrs
550 = 22/7×7×s
550 = 22×s
550÷22=s
25cm =s

s= 25cm
r= 7cm
t= ...?
t =
t=
t=
t=
t= 24cm

v= 1/3 πr²t
v= 1/3×22/7×7×7×24
v= 22×7×8
v=1232cm³