If it takes 4 men 6 hours to repair a road, how long will it take 3 men to do the same job if they work at the same rate? A) 5 hours B) 6 hours C) 8 hours D) 9 hours

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.