Second-year Mathematics for Secondary Schools

AABC ABCD acute angle algebraic altitudes angles are equal base bisects central angles chord congruent triangles construct cube denoted diagonals diameter diedral angle distance divide a segment Draw drawn eliminated by substituting equal arcs equidistant factors Find the value following theorems fractions geometry given line given point Hence homologous sides hypotenuse inscribed angle interior angles isosceles trapezoid lines are parallel lines parallel locus mathematics mean proportional measure method of proof midpoints number of sides opposite sides parallel lines parallelogram perimeter perpendicular bisector prismatic surface problem quadratic equations quadrilateral radius ratio rectangle regular inscribed regular polygon rhombus right angle right triangle secant Show side opposite sides are equal similar triangles Solve the following square root straight line subtended subtraction tangent Theorem third side transversal trapezoid triangle ABC triangle are equal trigonometric unequal vertex