Find the value of x. 30°
15x
O A. 4
O B. 10
C. 12
D. 2

help me out please , if you don’t know the answer don’t answer it and give me false information .. ❤️

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.