CSA of Cone
pie radius length
TSA of a cone
Pie radius( length + radius)
Surface area of a sphere
4pie radius square
CSA of a hemisphere
2 pie radius square
TSA of a hemisphere
3 pie radius square
Volume of a cone
1/3 pie radius square height
Volume of a sphere
4/3 pie radius cube
Volume of a hemisphere
2/3 pie radius cube