Constructive Form Work: An Introduction to Geometry for Grammar Grades

altitude angle on left angle on right approximate elliptical curve axis is given base bisect called chord circle Fig curved line decagon diagonals diameters divide distance diverging divide a circle divides the circle Dodecagon dodecahedron dotted lines Draw a design Draw a pentagon draw a similar Draw a straight Draw Figure draw the arcs Draw the circumference ellipse equal sectors equally distant equilateral triangle EXERCISES five-sided four-sided geometrical given line given side Fig heptagon hexagon Icosahedron inch isosceles triangle length line parallel magnitude major axis minor axis oblong rectangle octagon Octahedron octant perpendicular point of intersection prism PROBLEM pupils pyramid quadrant quadrilateral radii radius regular polygon regular polyhedron relative direction respectively equal rhombohedron rhomboid right angle right parallelogram semi-circumferences semicircles shows the construction side faces sides and angles similar wavy line sphere starting with Figure Study Figure successively as centres surface taste tetrahedron three equal uniformly curved vertex vertices