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Question
Construct a square ABCD, when: One diagonal = 5.4 cm.
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Solution
We know that the diagonals of a square are equal and bisect each other at right angles.
Steps:
1. draw AC = 5.4cm.
2. Draw the right bisector XY of AC, meeting AC at O.
3. From O, set off OB = `1/2` (5.4) = 2.7cm along OY and along OX.
4. Join AB, BC, CD, and DA.
ABCD is the required square.
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