In the figure above, line AC represents a seesaw that is : DS Archive
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# In the figure above, line AC represents a seesaw that is

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In the figure above, line AC represents a seesaw that is [#permalink]

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22 Oct 2006, 16:11
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In the figure above, line AC represents a seesaw that is touching level ground at point A. If B is the midpoint of AC, how far above the ground is point C?
(1) x = 30
(2) Point B is 5 feet above the ground
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22 Oct 2006, 16:37
I d better go to sleep
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22 Oct 2006, 17:45
Wow. Well, A isn't enough, obviously - no way to tell the length/heighth, etc. So unless there's some cool rule having to do with midpoints of sides of triangles that I'm missing (which is entirely possible) I'd say E. And if not E, then B!
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22 Oct 2006, 19:29
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I think it is B

From 1 â€“ Insufficient
No length is given..

From 2 â€“ Sufficient
(Height of Point B) / AB = (Height of Point C) / AC
=> 5 / AB = (Height of Point C) / 2 * AB
=> 5 = (Height of Point C) / 2
=> Height of Point C = 10
22 Oct 2006, 19:29
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