+0

# how to?

+2
270
1
+43

how to solve the area of a cone?

Huner1357  May 4, 2017

#1
+7266
+3

volume of cone = (1/3) * (π * radius2) * (height)

surface area of a cone $$= (π *\text{radius}*\text{slant height})+ (π * \text{radius}^2)$$

Or...if you are not given slant height:

surface area of a cone $$=\pi*\text{radius}(\sqrt{ \text{height}^2+\text{radius}^2}+\text{radius})$$

hectictar  May 4, 2017
#1
+7266
+3

volume of cone = (1/3) * (π * radius2) * (height)

surface area of a cone $$= (π *\text{radius}*\text{slant height})+ (π * \text{radius}^2)$$

Or...if you are not given slant height:

surface area of a cone $$=\pi*\text{radius}(\sqrt{ \text{height}^2+\text{radius}^2}+\text{radius})$$

hectictar  May 4, 2017