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CBSE Class 10 Answered

Prove that the perpendicular at the point of contact to the tangent to a circle passes through the centre.
Asked by Anjana | 02 Mar, 2019, 03:38: PM
answered-by-expert Expert Answer
Draw a circle with centre O
tangent at P 
now XP is drawn perpendicular to Tangent t at P
also, we know that OP is perpendicular to tangent t, due to the tangent radius relation
now by the uniqueness of perpendicular, we can draw only one perpendicular to t at point P
so X and O is on the same line
the perpendicular at the point of contact to the tangent to a circle passes through the centre.
Answered by Arun | 02 Mar, 2019, 05:47: PM

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