Question

Find the length of the hypotenuse of an isosceles right triangle whose legs are 1 unit in length.

Answer 1

Use the pythagorean theorem,
a^2+b^2=c^2
1^2+1^2=c^2
1+1=c^2
2=c^2
2=2
Square root of 2 is 1.41 (approximately)
c=1.41