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 answer:

x =  15318.26 m3

Step-by-step explanation:

 v2=b22ac v=b22ac=b22ac=1.73 m S=2a+cv=10.39 m2 V=Sl=10.391474=15318.26 m3

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