Question
If AB = 7.5cm and CD = 2.5cm, construct a segment whose length is equal to:
3CD

Answer

Given: AB= 7.5cm and CD = 2.5cm Draw AB and CD
Draw a line l and take a point E on it. Now take a divider and open it such that the ends of both its arms are at C and D. Then, we lift the divider and place its end at E on it and other end (F) on the line l, as shown in the figure. Again, we lift the divider end (G) on the l opposite to C. Again, lift the divider end (G) on the line l opposite to C. Again, lift the divider and place its one end at G and another end (H) on the line l, opposite to E. EH is required line segment, whose length is equal to 3CD.

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