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nignag [31]
3 years ago
6

The triangles shown are similar.

Mathematics
2 answers:
liubo4ka [24]3 years ago
8 0
\dfrac{x}{9}=\dfrac{5}{3}\\
\dfrac{x}{9}=\dfrac{15}{9}\\
x=15

valkas [14]3 years ago
6 0
15, because 3 goes into 9, 3 times and, 4 goes into 12, 3 times therefore x has to follow this rule because these 2 triangles are similar and because it already gives you 5 just take 5*3=15 there is your answer enjoy!=)
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