You are hiking on a trail that leads to the top of the mountain. at 1 pm you reach an elevation of 4400 feet. at 4 pm you reach an elevation of 5600 feet. what is your mean hourly change in elevation?

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.