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I need help asap with this question

I need help asap with this question-example-1
User Sam Fisher
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Answer:


\sf{BC+CD=BD}\\\sf{or,\ 20+CD=36}\\\sf{\therefore\ CD=16}


\sf{AD=AB+BC+CD}\\\sf{or,\ 54=AB+20+16}\\\sf{or,\ AB=18}


\sf{Now, AC=AB+BC=18+20=38}

User Pearl Jade
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