If sides of a triangle ABC are connected by equation a 2 +b 2 +c 2 +50=2(3a+4b+5c) then: A. Triangle is a right angled triangle B. Area of triangle is 6sq.units C. Circumradius =5/2unit D. Inradius=1unit Please answer my question thanks...

If sides of a triangle ABC are connected by equation a 2 +b 2 +c 2 +5

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