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What is the value of A?

What Is The Value Of A class=

Sagot :

Answer:

  a = 3

Step-by-step explanation:

The triangles are similar, so the ratio of short side to long side is the same for each:

  (a +5)/12 = 12/18

  a +5 = 12(12/18) = 8 . . . . . multiply by 12

  a = 3 . . . . . . subtract 5