Posted by JOY on Tuesday, May 24, 2011 at 11:46am.
Find the surface area of a tetrahedron that has edges the length of 12 centimeters.

geometry  Ms. Sue, Tuesday, May 24, 2011 at 11:57am
This site has this and many other formulas.
http://www.mathwords.com/s/surface_area.htm

geometry  Evan, Tuesday, May 24, 2011 at 4:22pm
the surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width is 3 inches. Find the height
Answer This Question
Related Questions
 geometry  A tetrahedron is a triangular pyramid in which each face is an ...
 Calculus/Derivitives  A regular tetrahedron is a four sided pyramid with each ...
 math hw help  Determine whether the following regular tetrahedrons have an ...
 geometry  A right cylinder has the radius of 5 centimeters and height of 22 ...
 Maath  The surface area S of the rectangular solid in the figure is S = 2(24...
 math( surface area )  The height of a rectangular prism is 20 centimeters. It ...
 geometry  Find the surface area of the solid. A right triangular prism with ...
 geometry  How do I determine the length and width of a prism that has a height ...
 geometry  The surface area of a sphere is 64rr square centimeters. Find the ...
 Geometry  An isosceles trapezoid has bases of length 20 and 12 centimeters and ...
More Related Questions