A School Geometry

adjacent angles altitude angle equal angular points base BC bisector bisects centimetres circle of radius circle whose centre circles which touch circum-circle circumference circumscribed coincide common tangents concyclic Construct a triangle diagonal diagram diameter distance draw a circle equal in area equidistant escribed circles Euclid exterior angles Find the area find the locus fixed point given angle given circle given point given straight line Given the base given triangle greater Hence hypotenuse inches inscribed isosceles triangle length Let ABC metres middle point millimetre nine-points circle opposite sides orthocentre par¹ parallelogram pedal triangle point of contact polygon PROBLEM produced Proof Q.E.D. COROLLARY radii rectangle rectilineal figure required to prove respectively rhombus right angles right-angled triangle segment shew shewn square straight line drawn tangent Theor Theorem trapezium triangle ABC triangles are equal vertex vertical angle