Answer:
2.5
Explanation:
You want the measure of the triangle side marked x in the given diagram.
Similar triangles
Corresponding sides of similar triangles are proportional:
long side/hypotenuse = 5/6 = x/3
x = 3(5/6) = 5/2 = 2.5 . . . . units
The length x is 2.5 units.
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