estofanerollufirelor estofanerollufirelor
  • 10-06-2020
  • Mathematics
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U.U AYUDa porfis porfis t.t

UU AYUDa porfis porfis tt class=

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jaimemenendezalvarez
jaimemenendezalvarez jaimemenendezalvarez
  • 10-06-2020

Answer: a+b = 12

Los triangulos verdes son semejantes entre si por tener dos lados proporcionales y el angulo comprendido respectivamente iguales. De igual forma los triangulos azules son semejantes por tener dos lados proporcionales y el angulo comprendido respectivamente iguales. En general el factor de proporcionalidad de los triangulos es 1:2 siendo en ambos casos el grande el doble del pequeño. Por tanto

a+2 = 2(3)

a=4

10 = 2(b-3)

b=8

Luego a+b = 12

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