A School Geometry

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