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Y= 15 , how do we solve it ? Please help !!!!

Y 15 How Do We Solve It Please Help class=

Sagot :

Sqdancefanidn

9514 1404 393

Answer:

  y = 15

Step-by-step explanation:

Triangle ABC is similar to triangle DEC, so corresponding segments are proportional.

  EB/DA = CB/CA . . . . . . . . . a proportion involving corresponding segments

  y/20 = 21/28 . . . . . . . . . . . . with numbers filled in

  y = 20(21/28) = 20(3/4) . . . multiply by 20 to find y

  y = 15

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