23-04-2019
Mathematics

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Please help and explain how you got the answer!
Thank you

Please help and explain how you got the answer Thank you class=

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thicute thicute

23-04-2019

BDA=30=>BAD=60

TanBAD = tan60 =BD/BA => BD=...

TanACB=tan60=AB/BC=BC=...

CD=BD-BC=...

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