Answer :
x=side1 y=side2 h=hypotenuse
x²+y²=h²
xy÷2=12
xy=12×2=24
Since it is isosceles
x=y
therefore
xy=24
xy/12
x=8 y=3
8²+3²=h²
√(64+9)=h
h=√73
Ans=√73
x²+y²=h²
xy÷2=12
xy=12×2=24
Since it is isosceles
x=y
therefore
xy=24
xy/12
x=8 y=3
8²+3²=h²
√(64+9)=h
h=√73
Ans=√73