## New Plane Geometry |

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### Contents

UNIT Two Formal Demonstration Analysis Constructions | 67 |

UNIT THREE Parallels and the Angles Formed by Them | 119 |

UNIT FOUR Circles | 173 |

Copyright | |

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### Common terms and phrases

AABC ABCD adjacent altitude angles are equal base bisects called central angle chord circle circumscribed common congruent Construct COROLLARY diagonals diameter distance divided Draw drawn equal equidistant equilateral triangle EXERCISES exterior angle external figure Find Find the area four geometry Give given given point greater half Hence hexagon hypotenuse included inscribed interior intersect isosceles triangle length line segment mark mean measure median method mid-point opposite sides parallel parallelogram passes perimeter perpendicular perpendicular bisector placed Plan proof proportional PROPOSITION prove quadrilateral radius ratio rectangle regular polygon respectively right angle right triangle secant segment Show sides similar square straight line SUGGESTION tangent TEST theorem third transversal trapezoid triangle ABC true unequal unit vertex vertices Write