The New Geometry: Form One

AABC ABCD altitude ARST base bisector bisects Calculate the length called centre chord circle common cone congruent Construction containing converse corner corresponding describe diagonals diameter distance divided Draw drawn parallel edge elevation equal equivalent Example EXERCISE external faces facts figure Find four freehand given given point greater half height Hence horizontal inscribed internal intersect length locus mark Measure meet mid-point miles moves Note opposite sides pair parallel parallelogram pass perpendicular plane polygon produced Proof proportional Prove pyramid Pythagoras quadrilateral radii radius ratio rectangle regular respectively result Riders right angles RSTW segment Show sides similar triangles sketch solid sphere square straight line subtends surface tangent THEOREM touch triangle ABC true vertex vertical volume write