What must be the length of zy in order for zy to be tangent to circle x at point y

45

step-by-step explanation:

sorry i need the points

step-by-step explanation:

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answer: 1 + 1 = 11

step-by-step explanation:

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.