b) the total volume is
Prism Volume = Area of Base * Height
Prism Volume = 27.713 * 10
Prism Volume = 277.13
a) the total area is
Surface Area = Lateral area + Area of two ends
Lateral Area = 10 * 8 * 3 sides = 240
area of both ends = 27.713 * 2 = 55.426
Total Area = 240.00 + 55.426 = 295.426