The length of a common internal tangent to two circles is 7 and a common external tangent is 11. If the product of the radii of the two circles is 
, then the value of 
is
The length of a common internal tangent to two circles is 7 and a common external tangent is 11. If the product of the radii of the two circles is , then the value of is
Question ID - 153539 | SaraNextGen Top Answer
The length of a common internal tangent to two circles is 7 and a common external tangent is 11. If the product of the radii of the two circles is , then the value of is
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The length of a common internal tangent to two circles is 7 and a common external tangent is 11. If the product of the radii of the two circles is |
1 Answer
127 votes
Answer Key / Explanation : (9) -
(9)
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From the figure 
(1)
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From the figure
(2)
From (1) and (2), 
127 votes
Answer Link
127