Which point best approximates ?
A
B
C
D


√36 = 6
√49 = 7
√45 is between 6 and 7
so √45 must be less than 7 but close to 7
Estimate answer is C.
C because 7^2 is 49 and 6^2 is 36
so the square root is less than 7 but more than 6
Hope this helps!