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For the given circles C(A, R) and C(B, r) FG and DC are common external and internal tangents, respectively, and DE is perpendicular to EG. Find the sides and the perimeter of the triangle DCE in terms of ''R'' and ''r''

For the given circles CA R and CB r FG and DC are common external and internal tangents respectively and DE is perpendicular to EG Find the sides and the perime class=

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