Please, help me.

1000

Step-by-step explanation:

The left shows 2 squares is 2000 so if the line starts 1 square up, it is half of 2000.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

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