Need help with solving right triangles again, can you guys solve for x too​

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

What is the measure of angle x? answer

What is the length and width of a 84.5 square foot rug? will mark