Geometry for Grammar Schools

acute angle acute triangle adjacent angles Algebra angles equal apothem areas of similar arithmetic axis base and altitude called chord circumference common ratio cone cube curve cylinder diagonal divide diameter dihedral angle dodecagon Draw a line Draw a perpendicular ellipse equal angles equilateral triangle exterior angle Find area Find volume geometry grade height hexagon homologous sides hypotenuse inscribed intersection Introduction price isosceles triangle large triangle length LESSON lines drawn measure meters middle point Name objects oblique obtuse angle obtuse triangle opposite parallelogram pentagon perimeter plane Price by mail PROBLEM proportion pupil pyramid quadrilateral radii radius regular polygons regular polyhedron rhomboid rhombus right angle right triangle rods scalene triangle Schools secant secant line segment side 2 inches sides equal similar rectangles similar triangles small triangle solid angle sphere square inches straight line Supt three angles trapezium trapezoid vertical