math
posted by jazz .
how about if the raduis of right circular cone is given and the surface area is given what is the formula? help please?

In the case of the cone, base area is PIr^2
Surface area of a cone is area base+area cone= PIr^2+PI*radius*slantheight
so you will need slant height to solve.
Respond to this Question
Similar Questions

Math Homework
1) Given the side of a square pyramid is 6cm and the altitude is 4cm calculate the surface area. 2) Given the side of a square pyramid is 12cm and the altitude is 8cm calculate the surface area. 3) Given the side of a square pyramid … 
Algebra
I have two problems that I am not sure about how to work out. 1. The distance traveled by a falling object is given by the formula d=4.9t^2, where d is in meters and t is in seconds. Solve the formula for t. 2.The volume of a right … 
ALGEBRA
I have two problems that I am not sure about how to work out. 1. The distance traveled by a falling object is given by the formula d=4.9t^2, where d is in meters and t is in seconds. Solve the formula for t. 2.The volume of a right … 
math(again)
the ? says "a cone has the surface area of 160 sq. in. If the dimensions are reduced by 1/2,what is the surface area of the new cone? 
math
Consider the right circular cone shown. if the radius of the circular base remains the same and the height varies, what is the minimum surface area and minimum volume the cone can have? 
Calculus
Please help me with the following 2 questions. 1. Find the area of the curved surface of a rightcircular cone of radius 6 and height 4 by rotating the straight line segment from (0,0) to (6,4) about the yaxis. 2. Use the Maclaurin … 
math
If you are calculating surface area of a right circular cone topped with a hemisphere. the radius is 4 cm and the rt angle is 8 cm...what is the lateral surface area. Is it 8.94 or is it 9? 
Maths
show that the semi vertical angle of a right circular cone of a given surface area and maximum value is sin1 (1/3) 
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 
Math
For each object, its surface area, and some dimensions are given. Calculate the dimension indicated by the variable to the nearest tenth of a unit. a) right cone SA=7012mm^2 GIVEN=diameter of 48mm b) right square pyramid SA=65.5m^2 …