Posted by Anonymous on .
A prism has a right triangle as its base with a hypotenuse that measures 15 meters and legs that measure 9 meters and 12 meters. What is the surface area of this prism if the height of the prism is 11 meters?

geometry 
drwls,
The three rectangular faces are
11x15, 11x12 and 11x9 m^2
Add their areas.
Then add the areas of the two ends, which (combined) is 9 x 12 m^2