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Given that Triangle ABC is congruent to triangle DEC find the value of x. If necessary, round your answer to two decimal places.

Given that Triangle ABC is congruent to triangle DEC find the value of x If necessary round your answer to two decimal places class=

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jhonyy9
use the proportionalitie of coresponding sides 

63+x       x+3
-------- = -------
  36           6


63 +x = 6(x+3)

63 +x = 6x +18

63 -18 = 6x -x

45 = 5x

x = 45/5

x = 9 

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