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deepaksoni
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Asked: 2021-04-16T02:21:55+05:30 In:

Question 26. In a triangle ABC, the incircle (centre O) touches BC, CA and AB at P, Q and R respectively. Calculate (i) ∠QOR (ii) ∠QPR given that ∠A = 60°.

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  • One of the most important and exam oriented question from Chapter name- circles
    Topic – Angle properties of circles
    Chapter number- 15

    In a triangle ABC, the incircle (centre O) touches BC, CA and AB at P, Q and R respectively.

  • And we havd to calculate (i) ∠QOR (ii) ∠QPR given that ∠A = 60°.
  • ICSE Avichal publication
    Understanding ICSE Mathematics
    Question 26
circlesicseml aggarwal
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    1 Answer

    1. Guru

      Solution:
      OQ and OR are the radii and AC and AB are tangents.
      OQ ⊥ AC and OR ⊥ AB
      Now in the quad. AROQ
      ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles Ex 15.3 Q26.1
      ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles Ex 15.3 Q26.2

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