Will mark as brainliest!! the tides create a 12 hour periodic function of depth at indigo bay. the depth maxes out for the first time in a day as a measure of the number of hours after midnight. what is the depth at 6:30 am? give all of the times during the day in which the depth is 13 m.

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.