state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Geometry Circles, Chords and Tangents
Which of the following statements is/are true?
A: If two tangents, PA and PB, are formed on a circle from a point ‘P’ and OA and OB are the radius of the circle, then OAPB will be a cyclic quadrilateral.
B: In a ΔABC, an incircle is formed with centre ‘O’. Then ∠BAC will be 180° less than the double of the angle made by side BC at the centre of the circle.
C: The length of two tangents from a point, outside the circle, are always equal.1
Only A
2
Only B and C
3
None
4
All A, B and C