Question

draw a line of 6.8cm and divide it into two equal parts using ruler and compass

Answer 1

i]draw a line 6.8 cm AB.
ii]now fill the compass with more than half of the line.
iii]make the arcs from both the sides a and b.
iv]now join the arcs with a line MN
v]u will find that the line would be divided into 3.4 cm which the half of line 6.4 cm.
   this is called perpendicular bisector. 
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