Grade 12Trigonometry
In triangle ABC if ab=2,BC=4,ca=3 and D is the midpoint of BC then ad²=?
In triangle ABC if ab=2,BC=4,ca=3 and D is the midpoint of BC then ad²=?
1 Answer
Mukesh
Thats just Pythagoras theorem . As D is midpoint of BC then BD is 2. And AB is given. So using Pythagoras theorem 2²+2²=AD². So AD=√8
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