Plane and Solid Geometry

3d side AABC ABCD adjacent figure altitude Analysis apothem applying Theorem axioms base bisector bisects central angle chord circle of radius circumscribed common external congruent CONSTRUCTION PROBLEM Corollary Corr diagonals diameter dihedral angle distance divided Draw drawn equal circles equiangular equilateral triangle Exercises external point external tangents Find the area Find the length Find the number given line Hence Hint hypotenuse Illustrative example incomplete statement inscribed inscribed angle intercepted arc interior angles intersect isosceles trapezoid isosceles triangle line segment locus of points median mid-point number of degrees number of sides Numerical computation P₁ parallelogram perimeter perpendicular plane geometry Practice test produced proportional prove quadrilateral radii ratio rectangle regular polygon respectively rhombus right angle right triangle secant solid geometry Solution sphere square straight line Substitution subtended tangent transversal trapezoid vertex