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the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

idc

step-by-step explanation:

idk

geometry: triangles

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call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

r = 78539458390583095803458309458039485093485 or just 3

step-by-step explanation: