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Mathematics, 16.01.2020 05:31 mitetwojr
Four times a number is 21 more than the number
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Mathematics, 21.06.2019 23:00, CelesteN64
In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
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