Posted by Anonymous on Saturday, October 17, 2009 at 11:26am.
I don't understand the question. You have only one missing length for two triangles?
I do note that the ratio of sides in the two cases is
2:3:(1/3)x
2:3:4
Just considering triangle 1, x could be anything less than 45 (bonus question: why?).
Maybe you want x so that the two triangles will be the same shape - same angles. If so, I think I've given you a big clue by writing the ratios of sides.
Perfect. I figured out what x was but I couldn't figure out how to show the calculations! The answer is 36, I think? Do you get the same thing?
Yes, absolutely!
Try this:
18 : 27 : x = 2*9 : 3*9 : x
14 : 21 : 28 = 2*7 : 3*7 : 4*7
Clearer now?
Yes, perfectly. Thank you. Sorry I wasn't clearer on my question asking
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