Base in your diagram which shows the top view of a prism sitting upright on one of its trapezoid bases and the height of the prism is 10cm. The surface area base on my calculation is 124cm^2. I hope i answered your question correctly
Hm... I think 440 Square feet..?
well -2(-1/4) is .5
so -2, .5,(multiply each by -1/4)
-2, 0.5, -0.125, 0.03125
