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Byju's Answer
Standard IX
Mathematics
Postulate5
In a triangle...
Question
In a triangle ABC, if angleB=60degrees, prove that (a+b+c)(a-b+c)=2ac
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Q.
In
△
A
B
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In triangle ABC if AB is the greatest side then prove that angle C>60degree.
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Q.
For any triangle
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B
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