Road embankment

Road embankment has a cross section shape of an isosceles trapezoid with bases 5 m and 7 m, and 2 m long leg. How many cubic meters of soil is in embankment length of 1474 meters?

Correct result:

x =  15318.26 m3

Solution:

 v2=b2ac2 v=b2ac2=b2ac2=1.73 m S=a+c2v=10.39 m2 V=Sl=10.391474=15318.26 m3



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