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# Polygons & Circles

### Review for MSM 2 Polygon & Circle Test

Question | Answer |
---|---|

How do you determine area of a circle? | Square the radius and then multiply by pi |

What are congruent figures? | Figures that are the same shape and the same size |

Do congruent figures have congruent corresponding angles & congruent corresponding sides? | Yes |

To find circumference, do you multiply the radius by pi? | No |

What is the interior angle measure in any quadrilateral? | 360 degrees |

What is the interior angle measure in any triangle? | 180 degrees |

How do you determine the circumference of a circle? | Multiply the diameter by pi |

How do you determine the radius of a circle? | Divide the diameter by two |

How do you determine the diameter when you know the circumference? | Divide the circumference by pi |

A trapezoid has one set of these | Parallel Lines |

This shape has equal sides and four 90 degree angles | Square |

This shape is a parallelogram with four 90 degree angles, but not necessarily equal sides | Rectangle |

This shape is a parallelogram with equal sides, but not necessarily any 90 degree angles | Rhombus |

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