Question 99366
a=r b=8 c=r+4
a^2+b^2=c^2
r^2+8^2=(r+4)^2
r^2+64=r^2+8r+16
subtract r^2+64 from both sides: 8r-48=0
8r=48
r=6
a=6, b=8, c=10
Ed