The square root of 18, rounded to the nearest integer, is 4.
6
8
15.0
round to the nearest whole # after estimating the square root
4.123105626 rounds down to 4
The square root of 18, rounded to the nearest integer, is 4.
46.0
3.33333...
6
7
8
15.0
42.0
round to the nearest whole # after estimating the square root
Using Pythagoras: theorem it is 12 times the square root of 2 which is about 17 feet rounded to the nearest integer
Radius: square root of (1256/pi) = 20 cm rounded to nearest integer