Q1 of 805 Page 14

Draw any line segment PQ. Without measuring , construct a copy of .

Step 1: Draw a line segment PQ



Step 2: With P as centre draw a circle of radius PQ



Step 3: Join P and any point on the circle



PS is thus a copy of PQ.


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Given of length 3.9 cm, construct such that the length of is twice that of . Verify by measurement.


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Given some line segment AB, whose length you do not know, construct such that the length of is twice that of .

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Draw any line segment AB. Mark any point M on it. Through M, draw a perpendicular to . (Use ruler and compasses)