नीचे दिये गये त्रिभुज ABC में AB = BC, a...

नीचे दिये गये त्रिभुज ABC में `AB = BC, angleB = x^@, angleA = (2x - 20)^(0)` है तो `angleB` का मान क्या होगा?

A

`30^@`

B

`40^@`

C

`44^@`

D

`64^@`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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