Added: 3 years ago
From: DrDaveBilliards
Views: 4,178
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  • what about the 90 degree rule..... i use the both of them all the time  30 and 90

  • See NV B.43. It shows several ways to visualize the tangent line for the 90-degree rule.

    Dr. Dave

  • i'm always impressed by your videos.

  • Thanks.

    Have you seen the pool rules quiz stuff I just posted. Check it out to see how well you know the rules.

    Dr. Dave

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