## The Enquirer: Or, Literary, Mathematical, and Philosophical Repository ..., Volume 1William Marrat, Pishey Thompson Whittingham and Rowland., 1811 |

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Page 88

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**triangle**is 17 , and its hypothenuse 19.75 chains ; how many acres does it contain ? QUESTION 4. By Master Broughton , near Newark , The three sides of a plane**triangle**are 114 , 12 , and 141 chains , respectively ; required the area of ...Page 138

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**triangles**OD : AC : OP : HG ; but OP 20D , therefore HG = 2 AC ; consequently , ( Theor . 8. 8 , Hutton's Course ) the**triangle**HGI = 4 times the**triangle**ACB = 400 × 41600. Q. E. D. Otherwise , by Messrs . Nelsey , Fisher , Jealous [ 138 ]Page 139

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**triangle**, and DEF the required one , and draw the lines as in the diagram an- nexed ; then , as might easily be demonstrated , the**triangle**ABC is divided into six , and the**triangle**DEF into twenty - four equal and similar**triangles**...### Contents

Two Epigrams of much point | 32 |

On the Usefulness of Mathematical Studies | 98 |

Essay on Satirical | 105 |

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