# Maths

posted by .

Calculate the volume and curved surface area of a cone 14cm in base diameter and 24cm high

• Maths -

radius of base = 7 cm,
let the slant height be s
s^2 = 24^2 + 7^2
s = 25

V=(1/3)πr^2h = (1/3π)(49)(24) = 392π cm^3

SA = πrs = π(7)(24) = 392π cm^2

You didn't say if you want the circular base included, if so, add 49π cm^2

• Maths -

Vol=1/3 pie r^2h
=1/3x22/7x7^2x24
=1232cm^3

## Similar Questions

1. ### maths

a hemisphericalbowl of diameter 14cm mounted on a bucket inform of frustrum of a cone if the base diametre of the bucket is 7cm and total hieght is 21cm calculate the total surface area
2. ### math

A cone of height 24cm has a curved surface area 550 cm2 . Find its volume.
3. ### Math

1)Forty solid hemisphere each of diameter 2cm , are melted to form a solid cone with a base diameter 6cm .Find the height of the cone?
4. ### maths

A metal pipe is 63cm long. Inner diameter of a cross section is 6m and the outer diameter is 8cm find:-surface area of the base a , surface area of the base b , the outer curved surface area inner curved surface area total surface …
5. ### maths --plse help me..

Prove that the radius of the base of right circular cylinder of greatest curved surface area which can be inscribed in a given cone is half that of the cone
6. ### Maths

(1) A cone has height of 8cm and circular radius 6cm calculate (a) It's Volume (b) It's Slant Height (c) The Curved Surface Area (d) The Total Surface Area
7. ### math

A paper cone has a base diameter of 8cm and a height of 3cm a. Calculate the volume of the cone in term of pie b. Calculate the curve surface area of the cone
8. ### Maths

A metallic right circular cylinder is15cm high and the diameter of the base is 14cm it is melted and recasted into another cylinder with radius 4cm find its height and curved surface area
9. ### Surfaces of cones

The diameter of the base of the cone is 24x cm. The height of the cone is 16x cm. The curved surface area of the cone is 2160pi cm^2. The volume of the cone is V pi cm^3, where V is an integer. What is the value of V. Answer is cm^2. …
10. ### math class viii

Q.1) The volume of a right circular cone is 37.68 dm3 .If the the base is 3 dm, find (1) the height (2) the curved surface area of the cone .( Take π=3.14)

More Similar Questions