Click and drag around the points below to explore and discover the rule for vertical angles on your own.

You can click and drag points A, B, and C.

∠ A | 90 |
---|---|

∠ B | 90 |

Drag The Circle To Start The Demonstration

Debug

Click and drag around the points below to explore and discover the rule for vertical angles on your own.

You can click and drag points A, B, and C.

∠ A | 90 |
---|---|

∠ B | 90 |

Drag The Circle To Start The Demonstration