Christopher's car can drive 230 miles on a full tank of gas. He wants to drive from Austin to Dallas, which is 195 miles. How many miles will be left once he arrives in Dallas?

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

i think the answer is 90 hope this

i believe it’s 165 because if u add 137 and 58 u get 195 and then subtract that from 360 and there’s ur answer