New Elements of Geometry

ABCD agreeably area equals one-fourth area equals one-half area equals three-fourths arithmetical calculation breadth circum circumference is four circumference is three cone contained in ABFG cubic inch cumference cylinder DBCE demonstrations diagonal diagram diame diameter is four equal heights equal rectangles equal triangles equals one-third equals the area equals the circumference equals the diameter equals the square equals the surface equals two-thirds equilateral triangle face ference four equal geometrical quantity geometrical unit geometry half the arc hypothenuse infinitely inscribed circle inscribed sphere length line of circumference linear edge lines drawn mathematical measure mixed mathematics multiplied numbers octahedron parallelogram perfect cube perpendicular plane figure polygon principles Prop proposition Pythagoras radius rectangle ABFG regular hexagon regular octagon regular pentagon right angle SEBA SMITH side slant height solid figures solidity equals straight line surface equals tetrahedron thickness triangle ABC triangle equals Twice the square unit whole circumference