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In a Delta^("le") ABC if r(1)=2r(2)=3r(...

In ` a Delta^("le") ABC if r_(1)=2r_(2)=3r_(3)` then

A

`cosB=(9)/(15)`

B

`cosC=4//5`

C

`Delta^("le")ABC` is right angled

D

`lfloorA=90^(@)`

Text Solution

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The correct Answer is:
A, B, C, D
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