Friday

August 22, 2014

August 22, 2014

Posted by **Cara** on Thursday, January 14, 2010 at 11:50pm.

- Geometry -
**drwls**, Friday, January 15, 2010 at 12:13amThe total surface area of a rectangular prism is

2(ab + ac + bc)

where a, b and c are the three side lengths.

It would be 2(70 + 30 + 21) = 242 ft^2 for the figure you describe.

**Related Questions**

geometry - find the lateral area and the total surface area of the right prism ...

geometry - A right pentagonal prism is 10 cm high. If the area of each ...

geometry - You have a rectangular prism. The center section has been removed. ...

math - Tommy has right rectangular prism with base length 5 and a cylinder with ...

Geometry - Please Help thanks _____________________ Two similar rectangular ...

Geometry - Please Help thanks _____________________ Two similar rectangular ...

Math - A rectangular prism has a volume of 960cm. It's width, length, and ...

GEOMETRY LATERAL AND SURFACE URGENT (PLEASEHELP) - 1.A RECTANGULAR BOX IS TO BE ...

math - why the formula for finding the surface area of a rectangular prism is ...

geometry - the base of a right prism is a rhombus whose diagonals are 6 in and 8...