ABC is a triangle, a=3,b=4,c=5 and to find angle C

1.	ABC is a triangle, a=3,b=4,c=5 and to find angle C
Answer» ABC is a triangle, a=3,b=4,c=5 and to find angle Cc = 5c2 = 25a2 +b2 = 32 + 42 = 9 + 16 = 25c2 = a2 +b2So, angle C = 90 degree

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