Answer:
Explanation:
Assumming these 2 triangles are similar we make a ratio for the 2 sides
the side mark 12 corresponds with 10 and x corresponds with 5
10/12=x/5
now cross multiply
10(5)=12x
50=12x
/12. /12
4 2/12=x
4 1/6=x
hopes this helps
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