## Geometry for Grammar SchoolsD.C. Heath & Company, 1896 - Geometry |

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### Common terms and phrases

AABC acute angle acute triangle adjacent angles Aids to Number Algebra angles equal apothem areas of similar arithmetic axis base and altitude Bowser's called cards Chemistry chord circumference common ratio cone cube curve cylinder D. C. HEATH diagonal divide diameter dihedral angle direction dodecagon Draw a line Draw a perpendicular ellipse equal angles equilateral triangle exterior angle Find area Find volume geometry Half leather height hexagon homologous sides hypotenuse inscribed intersection isosceles triangle large triangle length LESSON lines drawn measure middle point Name objects oblique obtuse angle obtuse triangle opposite Paper parallelogram pentagon perimeter plane PROBLEM proportion pupil pyramid quadrilateral radii radius regular polygons regular polyhedron rhomboid rhombus right angle right triangle rods scalene triangle secant line segment side 2 inches sides equal similar rectangles similar triangles small triangle solid angle sphere square inches straight line trapezium trapezoid vertical

### Popular passages

Page 23 - If two triangles have two angles and the included side of the one, equal to two angles and the included side of the other, each to each, the two triangles will be equal.

Page 22 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, they are equal in all their parts.

Page 31 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.