Thursday, December 31, 2009
Math .....HELP!
I am NOT a math genius. For the life of me I cannot figure this out and I know that someone out there will roll their eyes and spit out the answer in 5 seconds. I am making a triangle quilt. The triangles are 60 degrees and finish at 6". I need to figure out how many triangles I need to make a king sized quilt between 105" and 108" with no borders. HELP!!!!! The nearest my feeble brain can figure is I need 9 bazillion triangles! I have 260 cut. Only 8 and some bazillion left.....
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4 comments:
Okay, assuming 6" is the finished edge of your equilateral triangle, and a width of 108".
For each row, you will need 35 triangles (18 with base at the bottom, 17 with base at the top) and 2 half equilateral triangles for each end. This works out to exactly 108" finished.
For the height, it is a bit trickier. The Pythagorean theorem kicks in here. The height with a six inch base would be almost 5.2 inches. So twenty rows would be about 104 inches.
Using those dimensions, you would need 700 triangles and 40 half equilateral triangles.
Is that the way you were thinking? Hope this helps.
My guess would be a few bazillion or so. I'm bad at math too.
OK, I checked these comments out because I'm never quite sure either. We have one comment from Mary that sounds plausible, and another from Joyce that also sounds close to plausable. mmm maybe if I drew it out on graph paper ....
Happy New Year!
I'm no math genius either and that's why I hit the brakes at a whole triangle quilt.I'll have to ask for Mary's advice next time I have a math question. Way to go Mary.
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