For a plot of land of 100 m x 80 m, the ...

For a plot of land of 100 m x 80 m, the level is to be raised by spreading the earth from a stack of a rectangular base 10 `m xx 8` m with vertical section being a trapezium of height 2 m. The top of the stack is `8 m xx 5` m. By how many centimeters can the level be raised ?

A

3 cm

B

`2.5 cm`

C

`2 cm`

D

`1.5 cm`

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