Mathematics, 31.03.2021 23:10 jaymee2904p88tgh

a new dam being built has the shape of a trapazoid the length of the base at the bottom of the dam is 2 timea the height the lenght of the base if 1\5 times the height minus 30 feet A. write a expression to find the area of the trapazoid cross section of the dam B. if the height oof the dam is 180 feet, find the area of the cross section

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a new dam being built has the shape of a trapazoid the length of the base at the bottom of the dam i...