Suppose there is a 1.9 Fahrenheit drop in temperature for every thousand feet that an airplane climbs into the sky if the temperature on the ground is 45.5 Fahrenheit what will the temperature be when the plane reaches an altitude of 10,000

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.