Find the values of x and y. answers: 1) x = 12.0; y = 19.6 2) x = 23.0; y = 12.0 3) x = 19.6; y = 12.0 4) x = 12.0; y = 23.0

1) x = 12.0; y = 19.6

Step-by-step explanation:

Answer choices:

1) x = 12.0; y = 19.6

2) x = 23.0; y = 12.0

3) x = 19.6; y = 12.0

4) x = 12.0; y = 23.0

OB and OA are radii. All radii in the same circle (or congruent circles) are congreunt. One radius is 12.

Therefore, all other radii are 12.

OB is a radius- therefore OB (x) = 12

x = 12

The answer choices with x as 12 are 1 and 4.

1) x = 12.0; y = 19.6

4) x = 12.0; y = 23.0

AC and BC look to be tangents- tangents to a circle from a point are congruent.

Therefore, AC is congruent to BC.

BC (y) = 19.6

y= 19.6

Answer choice: 1) x = 12.0; y = 19.6

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step-by-step explanation: