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The sides BC,CA and AB of triangle ABC h...

The sides BC,CA and AB of `triangle ABC` have been produced to D, E and F respectively as shown in the figure, forming exterior angles `angle ACD, angle BAE and angle CBF`. Then, `angle ACD + angle BAE + angle CBF` is equal to

A

`240^@`

B

`300^@`

C

`320^@`

D

`360^@`

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The correct Answer is:
D
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