mdlemuslopez
mdlemuslopez
22-05-2018
Mathematics
contestada
Solve for x.
(and for y too)
Respuesta :
altavistard
altavistard
29-05-2018
Find x:
Use the properties of "similar triangles:"
3 3+x+ 1
------ = --------------
2 2 +x - 1
Then 3(2-1+x) = 2(4+x), or 3 + 3x = 8 +2x.
This yields x = 5. Use a similar approach (similar triangles) to find y.
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