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# act prep

### math words for act

Term | Definition |
---|---|

Mid point | location of the middle of a line it is an ordered pair (x,y) |

sine | trig ratio opposite/hypotenuse |

cosine | trig ratio adjacent/hypotenuse |

tangent | trig ratio opposite/adjacent |

Area of a circle | pi * radius(squared) |

circumference | pi*diameter |

radius | half the length of the diameter, from center to a pt. on the circle |

diameter | segment connecting two points on the circle that passes through the center. |

How many questions on the math act test | 60 |

How many answer choices on each math question on act | 5 |

How many minutes to take the act math test | 60 minutes |

How many questions on the english act test | 75 |

How long to take the english test | 45 minutes |

How long for the science test | 35 minutes |

How long for the reading test | 35 minutes |

Opposite sides of a parallelogram are | parallel and congruent |

Opposite angles of a parallelogram are | equal |

consecutive angles in a parallelogram are | supplementary |

diagonals in a rhombus are | perpendicular |

diagonals in a rectangle are | congruent |

The hypotenuse in a right triangle is the | longest side |

sohcahtoa only works on | right trianglel |

Rate * time | distance |

Ratio | compares two things |

proportion | compares two ratios |

If two triangles are similar their sides are | proportional |

If two triangles are similar then their corresponding angles are | congruent |

The ratio of the sides of a 30:60:90 right triangle are | 1:1.73:2 |

The ratio of the sides of a 45:45:90 right triangle are | 1:1;1.41 |