A Shorter Geometry

altitude base bearing bisector bisects Books Calculate called centre chord circle common tangent congruent constant construct contained copy corresponding Data describe diagonal diameter distance divided Draw drawn edge equal equiangular equidistant equilateral triangle equivalent exercises exterior Fact feet figure Find fixed point formed four Give given given point given straight line height inches inscribed intersect isosceles triangle length line joining mark mean Measure meet mid-point middle miles moves observed opposite sides pair parallel parallelogram pass perpendicular polygon position produced Proof proportional Prove radii ratio rectangle regular remaining respectively right angles right-angled triangle segment Show sides similar square straight line subtends taken THEOREM third touch tracing triangle ABC vertex vertical