In given figure XY and X’ Y’ are two parallel tangents to a circle with centre O and another tangent AB with point of contact C intersecting XY at A and X’ Y’ at B. Prove that ∠AOB = 90°.

Download Sample Paper of Class 10 here  https://www.teachoo.com/cbse/sample-papers/

This is exactly same as Ex 10.2, 9.

Check answer here

  1. Class 10
  2. Solutions of Sample Papers for Class 10 Boards

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.