Tangents and Circles, PLEASE help?

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Answer 1 · 2018-03-07T18:26:49

#n=4#

1) Set up an equation:

#(n+2)/8 = (n+8)/16#
# #

2) Cross multiply

#16(n+2) = 8(n+8)#

# #
3) Distribute

#16n+32 = 8n+64#
# #

4) Solve

#n=4#