Question

What are the lengths of side a and b​

Answer 1

solution given:

∆ABC is a right angled isosceles triangle

perpendicular [p]=base [b]=a=b

hypotenuse [h]=3ft

By using Pythagoras law

h²=p²+b²

3²=a²+a²

9=2a²

a=√(9/2)=
`(3 √(2) )/(2)`

so

a=b=
`(3 √(2) )/(2)`