What is the square root of 55? Which is not a perfect square. And how to estimate a non perfect square.
First step - Definition of square root
Second step - Find out if 55 is a non perfect square (result: non perfect square)
55 is somewhere between 49 and 64= no whole number in between 7 and 8, that means 55 is not a perfect square.
Third step - Estimate the square root of 55
So 55 is between 49 and 64, So let's pick a number between 7 and 8.
fourth step - check the answer
So square root 7.5 and then we get 56.25, which is close to 55
Final answer: So square root of 55 is ≈7.5
CREDITS: VN :)