Answer:
x = 6.
Explanation:
Because of the 2 equal angles we have the relation:
4 / (x + 2) = 3 / (9 - 3)
4 / (x + 2) = 3 / 6
4 / (x + 2) = 1/2
x + 2 = 4 * 2
x = 8 - 2
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