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The side BC of a triangle ABC is extende...

The side BC of a triangle ABC is extended to the point D. if `angle ACD = 132^@` and `angle B= 4/7 angle A`, then the measure of `angle A` is equal to:
एक त्रिभुज ABC का भुजा BC बिंदु D तक बढ़ा दिया जाता है यदि `angle ACD = 132^@` और `angle B= 4/7 angle A`,तो `angle A` का माप ज्ञात करे

A

`60^@`

B

`80^@`

C

`50^@`

D

`84^@`

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