Question 494477
{{{(m+2)^2 = m^2 + (m+1)^2}}}
{{{m^2+4m+4 = m^2 + m^2+2m+1}}}
{{{4m+4 = m^2 + 2m + 1}}}
{{{m^2 - 2m - 3 = 0}}}
(m-3)*(m+1) = 0
m = -1 Ignore
m = 3
--> The 3, 4, 5 right triangle