Plane Geometry

ABCD adjoining altitude approach base bisector bisects central chord circle circumference circumscribed coincide common construct contains cutting described diagonals diameter difference distance divided Draw drawn ends equally distant equiangular equilateral triangle equivalent external extremities feet figure Find Find the area four given given line given point greater half Hence hexagon hypotenuse inches included inscribed inscribed regular intercepted intersecting isosceles triangle length less limit line joining mean measured median meeting midpoint opposite sides original pair parallel parallelogram passes perimeter perpendicular polygon PROBLEM Proof proportional Prove quadrilateral radii radius ratio rectangle regular hexagon regular polygon Required respectively right angles right triangle secant sector segments sides similar square Statement straight line Suppose tangent THEOREM third touch trapezoid unit vertex vertices