Trapezoidal prism

Calculate the volume of a prism with a trapezoidal base with side a = 6dm, side c = 4 dm, height of the prism = 8dm. The height of the trapezoid is va = 3dm.

Correct result:

V =  120 dm3

Solution:

a=6 dm c=4 dm h=8 dm v=3 dm  S=a+c2 v=6+42 3=15 dm2  V=S h=15 8=120 dm3



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