a gemoetry for schools

ABCD acute angles angle BAC base BC BC produced bisects the angle Calculate chord circle centre circle of radius circle touches circles cut circumcircle circumference Construct a triangle cut BC cut the circle cyclic quadrilateral diagonals diameter divide Draw a circle Draw a line Draw a triangle drawn perpendicular equiangular equilateral triangle exterior angle feet figure Find the angles Find the area Find the length given Hence hypotenuse intersection isosceles triangle line parallel locus Measure meet middle point oblong opposite angles opposite sides parallel lines parallelogram perpendicular to BC Pythagoras radii ratio rectangle rhombus right angles right bisector right-angled triangle segments semicircle set squares Shew similar triangles straight line tangent Theorem trapezium triangle ABC triangle with sides Verify vertex vertical angle