Plane Geometry

ABCD altitude base bisector bisects chord circle circumference circumscribed coincide common construct contains denoted describe determine diagonal diameter difference direction distance divided Draw drawn equal equidistant equilateral triangle equivalent EXERCISES exterior angle extremities figure Find Find the area formed four geometric given circle given line given point greater GROUP Hence hexagon hypotenuse included inscribed intersect isosceles triangle joining length Let the pupil limit magnitudes mean measure median meet method midpoint opposite pair parallelogram passes perimeter perpendicular plane polygon Post PROBLEM produced Proof Prop properties proportional PROPOSITION prove quadrilateral radii radius ratio rectangle regular regular polygon respectively right angles right triangle segments sides similar square straight line symmetry tangent THEOREM third trapezoid unit variable vertex vertices