Saturday

November 29, 2014

November 29, 2014

Posted by **Anonymous** on Sunday, August 19, 2012 at 2:17am.

- Math -
**Reiny**, Sunday, August 19, 2012 at 8:21amsurface are = 2 end circles + "sleeve" of cylinder

2πr^2 + 2πrh = 154 , where r is the radius and h is the height

but h = r

2πr^2 + 2πr^2 = 154

r^2 = 77/π

r = √(77/π)

= .....

**Answer this Question**

**Related Questions**

maths --Surface area and all that.. - A toy is in the shape of a right circular ...

Math - Geometry - A cylindrical solid has a cylindrical circular hold drilled ...

maths --plse help me.. - A toy is in the shape of a right circular cylinder with...

math - If the volume of a cylindrical block is equal to 800cm^3 prove that the ...

Math - Optimization Problem A right circular cylindrical can of volume 128tπ...

c.math - the total surface area of a cylinderical can, whose height is equal to ...

math - the volume of an cylindrical can with a radius r cm and height h cm is ...

math - find the radius and height of a cylindrical soda can with a volume of ...

maths - calculate the total surface area of a solid cone of slant height 10cm. ...

Geometry - Find the lateral area and surface area for a right cone whose slant ...