in triangle ABC ab=5cm,bc=8cm,ac=7cm if g is the centroid of triangle ABC then find ga square+gb square+ gc square. ( no diagram for this question)
Answers
Answered by
7
Answer:
Sorry for the answer I need point
Answered by
5
Answer:
46
Explaination:
- AB²+BC²+CA²=3(GA²+GB²+GC²)
- 5²+8²+7²=3(GA²+GB²+GC²)
- 25+64+49=3(GA²+GB²+GC²)
- GA²+GB²+GC²=25+64+49/3
- GA²+GB²+GC²=138/3
- GA²+GB²+GC²=46
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