On a number line, will the square root of 20 be closer to 4.4 or 4.5

4.5

Step-by-step explanation:

Nearest of square root of 20

To choose closer from two numbers 4.4 or 4.5

First we find the square of both number.

Square of 4.4

Square of 4.5

Now compare the closer number from 20

Difference of,  20.25 - 20 = 0.25

Difference of, 20-19.36 = 0.64

As we know, 0.25<0.64

Hence, On number line square root closer to 4.5

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.