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# General

### MATHEMATICS

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

What formula is used to find the area of a circle? | A = 0.7854 x D2 or A = pi x R2 |

What formula is used to find the volume of a cylinder? | V = 0.7854 x D2 x H |

What formula is used to find the area of a rectangle? | A = L x W |

What formula is used to find the volume of a rectangular solid? | V = L x W x H |

What formula is used to find the area of a triangle? | A = (B x H) รท 2 |

What is the significance of the constant ? | Pi is the ratio of the circumference to the diameter of any circle. |

What is the value of the constant ? | Pi = 3.1416 |

What is meant by the root of a number? | The root of a number is one of two or more equal numbers that, when multiplied together, will produce the number. |

What is the eighth power of 2? | 256 |

What is the square root of 4,096? | 64 |

What is meant by a negative number? | A number less than 0, or a number that is preceded by a minus sign. |

What is meant by a ratio and how is a ratio expressed? | A fraction that compares one number to another; for example, 6:2 is a ratio. |