THE ELEMENTS OF GEOMETRY.

ABCD added alternate angles altitude angles are equal angles equal arms base bisect called chord circle coincide common CONCLUSION construction contained COROLLARY corresponding describe diagonals divided draw drawn equiangular equilateral equivalent EXERCISES exterior figure four given given line given point greater half hypothenuse HYPOTHESIS inscribed intercept interior angles intersection inverse isosceles triangle Join less magnitudes mean meet mid-point multiples opposite sides pair parallel parallelogram pass perigon perimeter perpendicular plane polygon PROBLEM produced PROOF proportional proved radius ratio rectangle regular polygon remainders REQUIRED respectively right angle sect segment sides similar sphere square straight angle supplemental surface symmetry taken tangent THEOREM thing third transversal triangle triangles are congruent turned unequal vertex vertices whole