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In the figure, a circle touches the side...

In the figure, a circle touches the side DF of `triangle EDF` at H and touches line ED and EF at points K and M respectively. If EK =9cm , then perimeter of `triangle EDF` is

A

`9cm`

B

`12cm`

C

`13.5cm`

D

`18cm`

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RS AGGARWAL-CIRCLES-Multiple-choice questions (MCQ)
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