a.
\The radius of the dartboard is .
The equation of polar coordinate system is , where
is the radius.
The dartboard boundary equation is .
The radius of the -point section is
.
The radius of the -point section is
.
Graph :
\Draw the polar coordinate plane.
\For , draw a circle centered at the origin with radius
.
For , draw a circle centered at the origin with radius
. \ \
For
, draw a circle centered at the origin with radius
.
b.
\Find the percentage of the dartboards area the bulls-eye comprise.
\Percentage of the dartboards area the bulls-eye comprise is.
Percentage of the dartboards area the bulls-eye comprise is .
a. \ \
\b. Percentage of the dartboards area the bulls-eye comprise is .