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# HELP

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Would I be wrong if I picked C and A?

Guest Mar 15, 2018

#1
+6945
+2

Circle N is a dilation of circle M with a scale factor of 3, so the radius of N is 3 times the radius of M.

The radius of circle N  =  3 * 12  =  36      so statement  A  is false.

Circle N is a translation of circle M, 1 unit left. So the center of N is one unit left of the center of M.

The center of circle M  =  one unit left of  (1, 10)  =  (1-1, 10)  =  (0, 10)      so statement  B  is true.

None of the transformations cause a loss of similarity, so statement  C  is true.

Circle N is a dilation of circle M with a scale factor of 3, so the diameter of N is 3 times the diameter of M.  So statement  D  is false.

hectictar  Mar 15, 2018
Sort:

#1
+6945
+2

Circle N is a dilation of circle M with a scale factor of 3, so the radius of N is 3 times the radius of M.

The radius of circle N  =  3 * 12  =  36      so statement  A  is false.

Circle N is a translation of circle M, 1 unit left. So the center of N is one unit left of the center of M.

The center of circle M  =  one unit left of  (1, 10)  =  (1-1, 10)  =  (0, 10)      so statement  B  is true.

None of the transformations cause a loss of similarity, so statement  C  is true.

Circle N is a dilation of circle M with a scale factor of 3, so the diameter of N is 3 times the diameter of M.  So statement  D  is false.

hectictar  Mar 15, 2018

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