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bittu45

Asked: November 24, 2023In: Class 9 Maths

In Fig. 9.23, A,B and C are three points on a circle with centre O such that ∠ BOC = 30° and ∠ AOB = 60°. If D is a point on the circle other than the arc ABC, find ∠ADC.

NCERT Solutions for Class 9 Maths Chapter 9 Circles Exercise 9.3 Question 1. NCERT Questions Exercises 9th Maths Chapter 9 Circles NCERT Academic Session 2023-2024 CBSE Board and Others state Board Description: An arc in a circle is a curved section ...

bittu45

Asked: November 24, 2023In: Class 9 Maths

If a line intersects two concentric circles (circles with the same centre) with centre O at A, B, C and D, prove that AB = CD (see Fig. 9.12)

NCERT Solutions for Class 9 Maths Chapter 9 Circles Exercise 9.2 Question 4. NCERT Question Exercises 9.2 9th Maths Chapter 9 Circles NCERT Academic Session 2023-2024 CBSE Board and Others state Board Description: Concentric circles share a common center and differ ...

bittu45

Asked: November 24, 2023In: Class 9 Maths

Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal.

NCERT Solutions for Class 9 Maths Chapter 9 Circles Exercise 9.1 Question 2. NCERT Questions Exercises 9th Maths Chapter 9 Circles NCERT Academic Session 2023-2024 CBSE Board and Others state Board Description: – A central angle is formed by extending the endpoints ...

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