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

Question

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

bibby · Answer

it'd help if we had the diagram :)

anonymous · Answer

attachment

anonymous · Answer

:)

bibby · Answer

we have 2 similar triangles|dw:1416856309372:dw|

anonymous · Answer

Haha so 15? cause I thought it was 17!

bibby · Answer

we're trying to find x, set up a proportion

anonymous · Answer

I gotta go can you tell me the answer real quick?

bibby · Answer

$\huge \frac{x}{25}=\frac{6}{15}$
15x=150