A) 8 cm
B) 7 cm
C) 6 cm
D) None of these
Correct Answer: C
Solution :
Length of Transverse common tangent \[=\sqrt{\begin{align} & {{(Dis\operatorname{tance}\,between\,centre\,of\,circles)}^{2}} \\ & -{{(Sum\,of\,two\,radii)}^{2}} \\ \end{align}}\] \[=\sqrt{{{10}^{2}}-{{(4.5+3.5)}^{2}}}=\sqrt{100-64}\] \[=\sqrt{36}=\]You need to login to perform this action.
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