A School Geometry, Teile 1-4

ABCD adjacent base bisector bisects calculate called centre chord circle circumference circumscribed coincide common construction contained COROLLARY DEFINITION describe diagonals diagram diameter difference distance divided draw drawn equal equidistant Euclid example EXERCISES exterior external falls feet figure fixed formed four given circle given point given straight line Graphical greater half Hence hypotenuse inches inscribed intersect isosceles triangle Join length less Let ABC measurement meet metres middle point moves NOTE opposite sides parallel parallelogram pass perp perpendicular position PROBLEM produced Proof quadrilateral radii radius rect rectangle represent required to prove respectively result right angles scale segment shew sides Similarly square straight line Suppose surface tangent Theor Theorem third touch triangle ABC units verify vertex vertical angle