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In a quadrilateral ABCD, E is a point in the interior of the quadrilateral such that DE and CE are the bisector of `angle D` and `angle C`, respectively, If `angle B = 82^@` and `angle DEC = 80^@` then `angle A`= ?
एक चतुर्भुज ABCD में, E, चतुर्भुज के भीतरी भाग का एक बिंदु इस प्रकार है की DE और CE क्रमश `angle D` और `angle C`, के द्विभाजक हैं, यदि `angle B = 82^@`और `angle DEC = 80^@` तो `angle A` = ?

A

`84^@`

B

`78^@`

C

`75^@`

D

`81^@`

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