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Construct a square of side 3 cm. - Mathematics

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Question

Construct a square of side 3 cm.

Geometric Constructions

Solution

As we know that, each angle of a square is right angle that is 90°.

To construct: A square of side 3 cm, use the following steps.

  1. Take AB = 3 cm.
  2. Now, draw an angle of 90° at points A and B and plot the parallel lines AX and BY at these points.
  3. Cut AD and DC of length 3 cm from AX and BY, respectively.
  4. Draw 90° at any one of the point C or D and join both points by CD of length 3 cm.
  5. Therefore, ABCD is the required square of side, 3 cm.
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Chapter 11: Construction - Exercise 11.3 [Page 110]

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NCERT Exemplar Mathematics [English] Class 9
Chapter 11 Construction
Exercise 11.3 | Q 6. | Page 110

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