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Check again. The figure is to scale. I worked it out first and then checked with a protractor. Your assumption that the diagonals within the trapezoids are p
by naish 19y ago
Check again. The figure is to scale. I worked it out first and then checked with a protractor. Your assumption that the diagonals within the trapezoids are parallel is incorrect. As a result, angles that you have assigned to the triangles in the upper trapezoid are also incorrect. The fact that triangle ADE is not isosceles makes it impossible for x to be 10.
- rms 19y ago> Your assumption that the diagonals within the trapezoids are parallel is incorrect. Do you mean his assumption that the diagonals within the trapezoids are congruent is incorrect? I'd be curious to see your diagram or proof to see where you differ. Obviously, it makes a lot more sense that the diagram is drawn to scale.
- naish 19y agoHere is my solution: http://fernlabs.com/Problem1Solution.png http://fernlabs.com/Problem1Solution.png