## Plane Geometry: And Supplements |

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**length**of ST . ( c ) Compare the**lengths**of ST and PR . ( d ) What theorem is verified by the result of part ( c ) ? 10. ( a ) Locate A : ( 0 , 0 ) , B : ( 6 , 0 ) , C : ( 5 , 4 ) , and D : ( 3 , 4 ) . Draw ABCD . ( b ) What kind of ...Page 279

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**length**of the circle . ( a ) Which of these perimeters is the larger ? ( b ) What is the approximate**length**of the circle , correct to tenths ? Note . If a sequence of regular polygons is inscribed in a circle as de- scribed above , we ...Page 421

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**length**and 2 in . is less than of in . , which is in . An approximate**length**of 3 in . , correct to 16ths of an inch , means that the actual**length**lies between ( 3-2 ) in . and ( 3 + 32 ) in . Te in . = .031+ in . = .003 - ft ...### Contents

g The optional units from analytic geometry are included for three | 1 |

LinesAnglesPlanes | 11 |

W W | 24 |

Copyright | |

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### Common terms and phrases

ABCD acute angle adjoining figure altitude angle formed angles are equal apothem bisector bisects central angle chord conclusion congruent Construct converse coplanar corresponding sides diagonals diameter dihedral Draw drawn equal circles equidistant equilateral triangle exercises extended exterior angle figure for Ex Find frustum geometry given hypotenuse Hypothesis Informal proof inscribed intersect isosceles trapezoid isosceles triangle kind of angle lateral area length locus of points mean proportional measure meeting mid-point opposite sides parallel parallelogram perimeter perpendicular perpendicular-bisector Plan plane plane geometry Post postulate prism Prove pyramid quadrilateral radii radius ratio rectangle regular polygon rhombus right angle right circular right triangle secant segment similar sphere square Statements straight line Suggestion tangent theorem trapezoid trihedral angle vertex vertical angles Нур