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Albert
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- Jan 25, 2013
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What does that mean? ~2.732 / ~1.268 ? Can't be...(1)area AEFD :area EBCF =$\sqrt 3+1:3-\sqrt 3$
that means the ratio of two areasWhat does that mean? ~2.732 / ~1.268 ? Can't be...
But area AEFD is clearly lesser than area EBCF ;that means the ratio of two areas
the diagram is not scaledBut area AEFD is clearly lesser than area EBCF ;
but your ratio makes it greater......?
If $AD = x$, $BC = y$ and the perpendicular distance between $AD$ and $BC$ is $h$, thenA trapezoid ABCD ,AD // BC ,points E and F are midpoints of AB and CD respectively
(1)area AEFD :area EBCF =($\sqrt 3+1) : (3-\sqrt 3)$
(2) area of $\triangle ABD=\sqrt 3$
please find the area of ABCD
View attachment 1123
VERY clever, Opal; what a "nice" way to get "x + y"Thus $(8-4\sqrt3)x = 4\sqrt3y$, from which $y = (2-\sqrt3)x/\sqrt3$, and $x+y = 2x/\sqrt3.$