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To find the length of the arc on the larger circle, we can use the formula:
Arc Length = radius x angle in radians
First, we need to find the angle in radians for both circles.
For the smaller circle:
Arc Length = 17 cm
Radius = 8 cm
Angle in radians = Arc Length / Radius = 17 cm / 8 cm ≈ 2.125 radians
Now, we can use the angle in radians to find the length of the arc on the larger circle:
Radius = 12 cm
Angle in radians = 2.125 radians
Arc Length = 12 cm x 2.125 ≈ 25.5 cm
Therefore, the length of the arc on the larger circle is 25.5 cm, which corresponds to option A.