Engr2012 wrote:
SamBoyle wrote:
I agree with whatIanStewart has mentioned above. Additionally, there is no need to discuss this further as GMAT or any math book will define tangency as 1 point of contact. But do understand that GMAT is a timed exam and hence, you should stop working on a DS question as soon as you find 2 contradictory scenarios; you are not getting extra points for coming with 100 different scenarios to answer the same set of DS statements. Additionally, it is easier to visualize 'horizontal
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