Question 550977
Use the Pythagorean Theorem.
c^2 = 10^2 = 100
c^2 = a^2 + b^2
a = b
100 = a^2 + a^2 = 2*a^2
a^2 = 50
a = sqrt(50) = sqrt(25*2) = 5*sqrt(2)
so,
The legs are each 5*sqrt(2) inches.