The price of a notebook has risen to $3.70 today. Yesterday's price was $3.20. Find the percentage increase. Round your answer to the nearest tenth of a percent!! DONT FORGET TO ROUND TO A TENTH

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

i belive those are the ones that are under 90 degreese.

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