Question

√45+√20=11.180, find rhe value of √180+4√5 . shot trick plz​

Answer 1

Answer sqrt(45) =sqrt(9×5) = 3 sqrt(5)

Sqrt(180)= sqrt(9×4×5) = 3×2 sqrt(5)

3 sqrt(5) + 2sqrt(5) = 11.180

5 sqrt(5) =11.180

Sqrt(180) + 4sqrt(5) = 6 sqrt(5) + 4sqrt(5) = 10sqrt(5) = 10×2×11.180=223.6