Question: The figures below show road cross - sections for two stations A 1 and A 2 that are 1 0 0 f t apart, separated

The figures below show road cross-sections for two stations A1 and A2 that are 100ft apart, separated by Am at the middle.
a. Using the 3-level equation, calculate the cross-sectional area A1 in ft2.
b. Using the 3-level equation, calculate the cross-sectional area A2 in ft2.
c. Using the 3-level equation, calculate the cross-sectional area in the middle Am in ft2.
d. Calculate the volume between A1 and A2 using the Average End Area method.
e. Calculate the volume between A1 and A2 using the Prismoidal Formula.
The figures below show road cross - sections for

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