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The sides BA and DE of a regular pentago...

The sides BA and DE of a regular pentagon are produced to meet at F. What is the measure of `angle EFA`?
एक नियमित पंचकोण के BA और DE भुजाओं को F तक बढ़ाया जाता है। `angle EFA` का माप क्या है

A

`72^@`

B

`36^@`

C

`60^@`

D

`54^@`

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