If the three sides of triangle ABC are the square of M minus 1,2m, and the square of m plus 1, the maximum angle is

Should be the angle opposite m ^ 2 + 1
M ^ 2 + 1 > m ^ 2-1 do you know that
(m-1)^2≥0,m^2-2m+1≥0,m^2+1≥2m
We can see that m ^ 2 + 1 is greater than or equal to any other two sides
The longer the variable edge in the triangle, the bigger the angle
So m ^ 2 + 1 has the largest angle

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