the föllowing table: Sample 4 Before(X) 207 210 205 200 After(Y) 195 207 190 209 Then the point estimation for the difference in means ux - Hy is:

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Angles

In mathematics, angles constitute a very important part. Just like the concept of lines, an angle is a necessary figure that is used for measurement. How do you define its formation? It is formed when two or more lines meet at a point. The point at which two or more lines meet is known as the vertex. When the lines get inclined at this point, they do form various angles. Angles are measured from the vertex in terms of degrees.