Answers

2015-01-10T17:06:12+05:30
If it is rotated about 3cm,the cones height will be 3 cm and radius 4 cm (since 5cm will be the hypotenuse) V=1/3πr²h =1/3×3.14×16×3 =16×3.14 =50.28cm³
0
2015-01-11T11:10:17+05:30
Volume of cone= 1/3 πr^2h=1/3*3.14*14*3=16*3.14=50.28 cm^3
0