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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.
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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-example-1
User Guang
by
8.1k points

1 Answer

4 votes
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
User Arrie
by
8.0k points
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