Prove that an equilateral triangle can be constructed on any given line segment.

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Keshav Kumar

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Draw 60 degree angle at the both end of line segment and then draw angle bisector of that two line of 60 degree and then join the three point which is generated by above procedure.
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The angles of a triangle are arranged in ascending order of magnitude. If the difference between two consecutive angles is 10°, find all the three angles.
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