Question

http://prntscr.com/5ipce3

@iGreen.

Answer 1

@ganeshie8 @Directrix @uri

Answer 2

The red dot is between 6 and 7.

6 < Red Dot < 7

Square.

√36 < Red Dot < √ 49

Does this make sense?

Answer 3

Not really.

Answer 4

Do you agree that 6 = √ 36 ?

Answer 5

Yeah.

Answer 6

7 = √ 49

If the red dot is between 6 and 7, the red dot is also between √ 36 and √ 49

So, look at the options and pick the one that is the square root of a number between

36 and 49.

Answer 7

Only one option meets that requirement.

Answer 8

Is 41 between 36 and 49?

Answer 9

Yeah.

Answer 10

Then, there is your answer, √ 41 that is.

This comes from the following:

For whole numbers,

if a < x < b, the √ a < √ x < √ b