What is another name for a cord that passes through the center of a circle

Diameter

Step-by-step explanation:

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya