#
new Cone()
Formulas related to cones.
Methods
#
lateralArea(r, h) → {number}
Calculates the lateral area of a cone
Parameters:
Name |
Type |
Description |
r |
number
|
radius |
h |
number
|
height |
Returns:
πr(√r²+h²)
-
Type
-
number
Example
mathform.geometry.Cone.lateralArea(1, 2); // ~7.02
#
slantHeight(r, h) → {number}
Calculates the slant height of a cone
Parameters:
Name |
Type |
Description |
r |
number
|
radius |
h |
number
|
height |
Returns:
√r²+h²
-
Type
-
number
Example
mathform.geometry.Cone.slantHeight(1, 2); // ~2.24
#
totalArea(r, h) → {number}
Calculates the total area of a cone
Parameters:
Name |
Type |
Description |
r |
number
|
radius |
h |
number
|
height |
Returns:
πr(√r²+h²)+πr²
-
Type
-
number
Example
mathform.geometry.Cone.totalArea(1, 2); // ~10.17
#
volume(r, h) → {number}
Calculates the volume of a cone
Parameters:
Name |
Type |
Description |
r |
number
|
radius |
h |
number
|
height |
Returns:
(1⁄3)πr²h;
-
Type
-
number
Example
mathform.geometry.Cone.volume(1, 2); // ~2.09