A computer graphic artist creates a design that contains various shapes. One shape, X , in the form of a triangle contains three vertices with the...

A computer graphic artist creates a design that contains various shapes. One shape, X, in the form of a triangle contains three vertices with the following coordinates:

Another shape, Y, is associated with the following:

1- Identify what kind of triangle is shape X 

2- Calculate the magnitudes of AB and AC. Then determine the angle formed by AB and AC

3- Construct the shape resulting from dilating shape Y by a scale factor of 7 units along the x axis and 2 units along the y axis. 

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