In a triangle ABC, AB=AC=37 cm . Let D be a point on BC such that BD=7cm, AD= 33c,. Then find CD

Dear Student,
Please find below the solution to the asked query:

In  ABD and ABCcosB=cosBAB2+BD2-AD22AB.BD=AB2+BC2-AC22AB.BC372+72-3322×37×7=372+x2-3722×37×x372+72-3327=x2x7x=372+72-3327x=329x=47=BCCD=BC-BD=47-7=40 cm Answer

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