Use the following information to answer question 34-36.

The dartboard below consists of 5 regions bordered by concentric circles. The innermost region has a radius of r centimeters. Each of the 4 outer regions has uniform width r centimeters. Shown within each region is the number of points awarded (10, 8, 6, 4, or 1) to a player whose thrown dart sticks into that region. A player is awarded 0 points for any dart that does not stick into the board.

In the dart game played on this dartboard, players take turns throwing 1 round consisting of 3 consecutive throws by 1 player. A player's 1-round point total is the sum of the point values awarded for the throws in that round. The first player to accumulate at least 75 points is the winner of the dart game; the winner need not complete his or her final round.