What is the measure of angle x? enter your answer as a decimal in the box. round only your answer to the nearest hundredth. ° triangle x y z with right angle y. x y equals 13. y z equals 84. x z equals 85.(the answer is 81.20 i just finished the test)

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.