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The best math program for middle school students
Showing posts with label
area of an equilateral triangle
.
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Showing posts with label
area of an equilateral triangle
.
Show all posts
Tuesday, May 7, 2013
This Week's Work : Week 11 -- for Inquisitive Young Mathletes
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Area of an equilateral triangle You can also use angle ratio 30-60-90 to prove that; besides, if you times that by 6, you'll get th...
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