find the volume and the surface area of the prism
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surface area :
area of base rectangle = 12×10=120
area of top rectangle= 6×10=60
area of two side rectangles =2×(10×5)=100
area of two side trapeziums =2*(1/2)*(12+6)*(4)
= 72
total surface area = 120+60+100+72=352 sq m .
volume :
total volume =area of trapezium× length of prism
= 36 × 10 = 360 cu m
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