Two circles with ra… - QuestionCove

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Mathematics 7 Online

OpenStudy (anonymous):

Two circles with radii 25 and 16 are tangent externally. The two common external tangents intersect the larger circle at A and B and the smaller circle at C and D. The common internal tangent intersects the external tangents at E and F. Find EF.

13 years ago

OpenStudy (dumbcow):

do you have a diagram? or can you draw it out?

13 years ago

OpenStudy (anonymous):

i dont have a diagram and i tried to draw it out but this problem makes no sense to me..

13 years ago

OpenStudy (dumbcow):

agreed i can't visualize the internal/external tangents hmm if 2 circles are tangent to each other, it would only be at 1 point ?

13 years ago

OpenStudy (anonymous):

yeah

13 years ago

OpenStudy (anonymous):

well i believe so

13 years ago

OpenStudy (anonymous):

|dw:1357194318314:dw| This?

13 years ago

hartnn (hartnn):

|dw:1357194324036:dw|

13 years ago

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