Plane Geometry |
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Page 116
... Suggestion . Compare E with 4C , and 4BDF with B. E A B C F * 4 . AGHK is an equilateral triangle . HP , the bisector of ZGHK meets GK at P ; KM , the bisector of exterior GKR meets HP extended at M. MN is perpendicular to HR . Prove MN ...
... Suggestion . Compare E with 4C , and 4BDF with B. E A B C F * 4 . AGHK is an equilateral triangle . HP , the bisector of ZGHK meets GK at P ; KM , the bisector of exterior GKR meets HP extended at M. MN is perpendicular to HR . Prove MN ...
Page 148
... Suggestion . At the right , how is A measured ? B 191. Cor . 2. In the same circle or in equal circles , if in- scribed angles have the same arc or equal arcs , they are equal . Suggestion . Draw two or more inscribed angles in a circle ...
... Suggestion . At the right , how is A measured ? B 191. Cor . 2. In the same circle or in equal circles , if in- scribed angles have the same arc or equal arcs , they are equal . Suggestion . Draw two or more inscribed angles in a circle ...
Page 344
... Suggestion . First draw BD . 37. Divide quadrilateral ABCD into three equal parts by two broken lines from A to C. 38. ABCD is a quadrilateral having perpendicular diagonals . Prove area ABCD = 1⁄2BD × AC . 39. Point O lies inside AABC ...
... Suggestion . First draw BD . 37. Divide quadrilateral ABCD into three equal parts by two broken lines from A to C. 38. ABCD is a quadrilateral having perpendicular diagonals . Prove area ABCD = 1⁄2BD × AC . 39. Point O lies inside AABC ...
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Common terms and phrases
AABC ABCD ADDITIONAL EXERCISES ADEF adjoining figure altitude angle formed angles are equal apothem ARST AXYZ base angles bisector bisects central angle chord circumscribed conclusion corresponding sides cuts diagonals diameter Draw drawn equal angles equal circles equal sides equidistant equilateral triangle EXERCISES FOR CHAPTER extended exterior angle figure for Ex Find the area geometry hypotenuse Hypothesis inscribed inscribed angle intersect isosceles trapezoid isosceles triangle Locate locus of points mean proportional measure median meeting AC mid-point opposite sides parallelogram perimeter perpendicular perpendicular-bisector Plan plane Proof Prove pupil quadrilateral radii radius ratio rectangle regular hexagon regular polygon rhombus right angle right triangle secant similar triangles square STATEMENTS REASONS straight line Suggestion tangent theorem vertex angle vertices XYZW ZAOB