Add or subtract in each case. Write all fraction answers as mixed numbers. Place a space between the whole number and the fraction. Use the slash key, /, to separate the numerator and denominator. For example, the number four and one half would be entered as 4 1/2.

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.