Two poles AB and CD stand vertically on the flat ground. Find BD and C – InterviewSolution

1.	Two poles AB and CD stand vertically on the flat ground. Find BD and CD.
Answer» From pythagoras theroem,BD^2=15^2 - 9^2BD^2=225-81BD^2=144BD=√144BD=12mNow apply pythagoras in triangle BCDCD^2=20^2 - 12^2CD^2=400-144CD^2=256CD=√256CD=16m

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