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A billiard ball starts 86\,\text{cm}86cm86, start text, c, m, end text from the corner pocket, as shown. The ball rolls 120\,\text{cm}120cm120, start text, c, m, end text in another direction, hits a rail, and rolls another 100\, \text{cm}100cm100, start text, c, m, end text into the pocket. What is the angle between the paths before and after the ball hits the rail? Do not round during your calculations. Round your final answer to the nearest degree.

Sagot :

Answer:

45 Degrees

Step-by-step explanation:

Khan Academy

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