Consider-the-areas-of-the-four-triangles-obtained-by-drawing-the-diagonals-AC-and-BD-of-a-trapezium-ABCD-The-product-of-these-areas-taken-two-at-time-are-computed-If-among-the-six-products-so-obta

Question Number 21231 by Tinkutara last updated on 16/Sep/17

$$\mathrm{Consider}\:\mathrm{the}\:\mathrm{areas}\:\mathrm{of}\:\mathrm{the}\:\mathrm{four}\:\mathrm{triangles} \\ $$$$\mathrm{obtained}\:\mathrm{by}\:\mathrm{drawing}\:\mathrm{the}\:\mathrm{diagonals}\:{AC} \\ $$$$\mathrm{and}\:{BD}\:\mathrm{of}\:\mathrm{a}\:\mathrm{trapezium}\:{ABCD}.\:\mathrm{The} \\ $$$$\mathrm{product}\:\mathrm{of}\:\mathrm{these}\:\mathrm{areas},\:\mathrm{taken}\:\mathrm{two}\:\mathrm{at} \\ $$$$\mathrm{time},\:\mathrm{are}\:\mathrm{computed}.\:\mathrm{If}\:\mathrm{among}\:\mathrm{the}\:\mathrm{six} \\ $$$$\mathrm{products}\:\mathrm{so}\:\mathrm{obtained},\:\mathrm{two}\:\mathrm{products}\:\mathrm{are} \\ $$$$\mathrm{1296}\:\mathrm{and}\:\mathrm{576},\:\mathrm{determine}\:\mathrm{the}\:\mathrm{square} \\ $$$$\mathrm{root}\:\mathrm{of}\:\mathrm{the}\:\mathrm{maximum}\:\mathrm{possible}\:\mathrm{area}\:\mathrm{of} \\ $$$$\mathrm{the}\:\mathrm{trapezium}\:\mathrm{to}\:\mathrm{the}\:\mathrm{nearest}\:\mathrm{integer}. \\ $$

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