In Triangle ABC,AD is a median . If AB×AB+AC×AC=148 & AD=7, Find BC
Answers
Answered by
2
Answer:
Step-by-step explanation:
AB2 +AC2=2AD2 +2BC2 .. APOLLONIUS THEOREM
148=98+2BC2
148-98=2BC2
50=2BC2
50÷2=BC2
25=BC2
Therefore BC=5
priyayadav4:
Thank you
np
Answered by
2
Answer:
Step-by-step explanation:
AB2 +AC2=2AD2 +2BC2 .. APOLLONIUS THEOREM
148=98+2BC2
148-98=2BC2
50=2BC2
50÷2=BC2
25=BC2
Therefore BC=5
how 1×1 =2
so how 2AB×2AB =2
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