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CBSE Class 10 Answered

Ab is daimeter of circle. Ah and bk are the perpendiculars from a and b resp. to the tangent at p. Prove that AH+BK=AB
Asked by amritvarsha1976 | 15 Jan, 2020, 04:30: PM
answered-by-expert Expert Answer
 
 
 
 
 
 
From the figure,
AH = HP          (i)
BK = KP           (ii) tangents from external point.
AB = HK            (iii)    opposite sides of rectangle
AH + BK = HP + KP 
AH + BK = HK           H - P - K
AH + BK = AB           from (iii)
Answered by Sneha shidid | 16 Jan, 2020, 10:07: AM

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