do anyone know thow that step changes to this
if anyone know please answer:)
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hii here is ur answer
listen to me carefully
I'm must sure that A,B,C,D are supposed to be angles of a Quadrilateral and we all know that the sum of angles of a quadrilateral is always 360 degree (if A,B,C,D are angles then A+B+C+D=360°)
secondly if you want to know how 154 came then see the attachment
I hope I helped you, if you need to ask anything else then comment me ...I will surely help you and yep please mark me as Brainliest
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