last marathon.
4. The graph shows the
relationship between the
diameter and the
circumference of a circle
with the point (1, π) shown.
Find 3 more points that are
on the line.
CA
12
10+
8+
6+
4+
2+
marathon was a 10% less than the time to
(1, x)
+
2
+3
4
5
6
d