The surface area of the three dimensional figure is _ square centimeters

536.6

Step-by-step explanation:

First I found the area for the rectangles which is (15x10) multiplied by 3.

Then I found the area for the triangles which is A=(1/2)(8.66)(10). Which equals 43.3, then multiplied that by 2.

Add all the areas together (150)(3)+(43.3)(2)=536.6

i dont get it. where are the "descriptions"?

your answer is a

step-by-step explanation:

4*4*4*4=256