<PRE><B>Question 618923</B>
Lisa ran 3 laps around a square field with an area of 8100square meters how much did she run in kilometers?
:
Find the length of one side of the square
s = {{{sqrt(1800)}}}
s = 90 m
:
Find the total distance ran, four sides times 3 laps
d = 4 * 90 * 3
d = 1080 meters
Find how many km
{{{1080/1000}}} = 1.08 km</PRE>