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Draw an angle ABC = 75°. Draw the locus of all the points equidistant from AB and BC. - Mathematics

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Question

Draw an angle ABC = 75°. Draw the locus of all the points equidistant from AB and BC.

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Solution


Steps of construction:

  1. Draw a ray BC.
  2. Construct a ray RA making an angle of 75° with BC. Therefore, ABC = ABC = 75°
  3. Draw the angle bisector BP of ∠ABC.
    BP is the required locus.
  4. Take any point D on BP.
  5. From D, draw DE ⊥ AB and DF ⊥ BC.
    Since D lies on the angle bisector BP of ∠ABC.
    D is equidistant from AB and BC.
    Hence, DE = DF
    Similarly, any point on BP is equidistant from AB and BC.
    Therefore, BP is the locus of all points which are equidistant from AB and BC.
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Chapter 16: Loci (Locus and Its Constructions) - Exercise 16 (A) [Page 238]

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Selina Mathematics [English] Class 10 ICSE
Chapter 16 Loci (Locus and Its Constructions)
Exercise 16 (A) | Q 14 | Page 238

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