Constructions (accurate drawings) can be made using a ruler, a pair of compasses and a pencil. A line which cuts an angle into two equal side angles is called an angle bisector. In geometry a ...

Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of ...

This coloring activity provides students with 12 problems on angle bisectors in triangles. Students will find the value of the variable x for each of 12 diagrams using the given information in the ...

A worksheet on deciding whether a given triangle is an isosceles triangle using the properties of isosceles triangles( two equal sides, two equal angles, any two of the median, bisector and height ...

In Chapter 3 it was asserted that (1) at any point on an ellipse the bisector of the bistatic angle is orthogonal to the tangent to the ellipse and (2) the tangents of concentric hyperbolas are ...