There are three parallel lines with given distances .

Find the length of the side of the equilateral triangle whose three vertices lie on the parallel lines respectively .

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- Jun 19th 2010, 10:14 PMsimplependulumA nice equilateral triangle problem
There are three parallel lines with given distances .

Find the length of the side of the equilateral triangle whose three vertices lie on the parallel lines respectively . - Jun 20th 2010, 12:32 AMSudharaka
- Jun 20th 2010, 01:47 AMundefined
- Jun 20th 2010, 08:06 AMSudharaka
- Jun 20th 2010, 08:19 PMsimplependulum
Excellent , the key is making two equations with unknowns , the side and the included angle but we have to eliminate the side we are looking for first , that's a trick .