CALCULATOR COLOR THEME
23. A toy is made up of cylindrical rings stacked on a base, as shown in the diagram. The
diameter of Ring 1 is 87% of the diameter of the base. For Ring 2 through Ring 7,
the diameter of each ring is 87% of the diameter of the ring directly below it.
d(r) =
a
d(r) =
6
5
do) =
4
3
d(T) =
2
1
CLEAR ALL
Base
The diameter of the base is 5 inches. Which function can be used to find the
diameter in inches of Ringr, where 1 srs 7?