Elements of Geometry, Volume 1

ABCD altitude apply base bisecting bisector called centre chord circle circumference circumscribed coincide common construct contains conversely describe diagonals diameter difference distance divided Draw drawn equal equally distant equilateral triangle equivalent Exercise extremities fall figure Find Find the area four GEOMETRY given given circle given point given straight line given triangle GIVEN—the greater half Hence hexagon hypotenuse inscribed intercepted intersection isosceles length less limit locus measured meet method middle points opposite sides parallel parallelogram passes perpendicular plane polygon position PROBLEMS proof PROPOSITION PROVE quadrilateral quantity radii radius ratio rectangle regular regular polygon right angles right triangle ruler segment similar square straight line Substituting Suppose symmetry tangent THEOREM triangle ABC triangles are equal turned unequal unit variable vertex vertices