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During renovation, a pillar is supported by two braces as shown in the diagram. Based on the diagram, at what height should the short brace touch the pillar to ensure that the short brace is parallel to the long brace?
 
10 feet

12 feet

15 feet

17 feet

During renovation a pillar is supported by two braces as shown in the diagram Based on the diagram at what height should the short brace touch the pillar to ens class=

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MissPhiladelphia
For the given diagram above, we have similar two triangles in it. Triangle 1 having x and 6 feet while triangle 2 having 25 feet and 15 feet(6+9) measurements, respectively.

So the proportion goes as:

 x         6
----   = ---- 
 25       15

15x = 150

x = 10

The answer is A. 10 feet, on Plato.


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