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Study Chapter 10 Circles in NCERT Class 10 Mathematics
This part of NCERT Book Class 10 Maths Circles Questions helps you learn Class 10 Mathematics step by step. Read the text to understand everything. You can also match your answers using the NCERT Solutions for Class 10 Mathematics.
Download Chapter 10 Circles - NCERT Class 10 Textbook
(A) Main Concepts and Results
• The meaning of a tangent and its point of contact on a circle.
• Tangent is perpendicular to the radius through the point of contact.
• Only two tangents can be drawn to a circle from an external point.
• Lengths of tangents from an external point to a circle are equal.
(B) Multiple Choice Questions
Choose the correct answer from the given four options:
Sample Question 1 : If angle between two radii of a circle is 130º, the angle between
the tangents at the ends of the radii is :
(A) 90º (B) 50º (C) 70º (D) 40º
Solution : Answer (B)
Sample Question 2 : In Fig. 9.1, the pair of tangents AP and AQ drawn from an external point A to a circle with centre O are perpendicular to each other and length of each tangent is 5 cm. Then the radius of the circle is
(A) 10 cm (B) 7.5 cm
(C) 5 cm (D) 2.5 cm
Solution: Answer (C)
Please refer to attached file for NCERT Class 10 Maths Circles Questions
Free study material for Mathematics
Official NCERT Textbook PDF: Class 10 Mathematics Chapter 10 Circles
Chapter Textbook PDF for Class 10 Mathematics
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