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  1. Chapter 4 Class 8 Practical Geometry
  2. Serial order wise
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Transcript

Ex 4.5, 1 Draw the following. The square READ with RE = 5.1 cm Let’s draw a rough figure In square, All sides are equal ∴ AB = BC = CD = AD = 5.1 cm And, All angles are 90° ∴ ∠ A = ∠ B = ∠ C = ∠ D = 90° So, we draw the square using 3 sides, and 2 angles method Steps of construction 1. Draw side AB of length 5.1 cm 2. Now, we draw 90° from point A Check Ex 11.1, 1 of Chapter 11 Class 9 NCERT to see how to draw 90° 3. Now, we draw 90° from point B Taking 5.1 cm as radius, and A as center. Draw an arc. Mark the point where arc and line intersect as D Taking 5.1 cm as radius, and B as center. Draw an arc. Mark the point where arc and line intersect as C 6. Join CD Label the sides ∴ ABCD is the required square

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.