There may be more than one correct answer here.
Note that 48 cubic units is equivalent to (6 units)(8 units)(1 unit). Can you think of any other 3 dimensions whose product is 48 cubic units?
Mark these points on the graph to form a right angled triangle.
Angle Y will be 90 degrees
I think it's B Centimeter
Sum of interior angles of triangle = 180
x + x + 6 + 3x - 16 = 180
5x - 10 = 180
5x = 190
x = 38
<M = 3(38) - 16
<M = 114 - 16
<M = 98°