Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Step1- ignore last two digits i.e 25
step2- 1st two digits are 20 so square no less than 20 is16 square root of 4
step3- last two digits 25 square root is 5
       so the answer is 45.....
2 5 2
u r sure na
yes baba
thank you thank you thank you
That method .... is only for numbers whose roots are multiples of 5....that tooo below 100
Very easy 
first find the square root of 1st 2 digits then find the square root of last 2 digits
i.e 20- square no less then 20 => 4
25- perfect square of 5
then the answer is 45

hope it helps

2 5 2
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts