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Find the angle is in the following120Ost 1070​

Answer» <html><body><p>the given figure, O is the centre of a circle, AB is a <a href="https://interviewquestions.tuteehub.com/tag/chord-916092" style="font-weight:bold;" target="_blank" title="Click to know more about CHORD">CHORD</a> and AT is the <a href="https://interviewquestions.tuteehub.com/tag/tangent-1238980" style="font-weight:bold;" target="_blank" title="Click to know more about TANGENT">TANGENT</a> at A. If ∠AOB = 100°, then calculate ∠BAT. (2011D)<a href="https://interviewquestions.tuteehub.com/tag/important-1038039" style="font-weight:bold;" target="_blank" title="Click to know more about IMPORTANT">IMPORTANT</a> Questions for Class 10 <a href="https://interviewquestions.tuteehub.com/tag/maths-444" style="font-weight:bold;" target="_blank" title="Click to know more about MATHS">MATHS</a> Chapter 10 Circles 1Solution:Important Questions for Class 10 Maths Chapter 10 Circles 2∠1 = ∠2∠1 + ∠2 + 100° = 180°∠1 + ∠1 = 80°⇒ 2∠1 = 80°⇒ ∠1 = 40°∠1 + ∠BAT = 90°∠BAT = 90° – 40° = 50°</p></body></html>


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