Illustration of the construction used to make a triangle when given a side and two angles.
Illustration of the construction used to make a triangle when given two sides and the angle opposite…
Illustration of the construction used to make a triangle when given two sides and the angle opposite…
Illustration of the construction used to make a triangle when given two sides and the angle opposite…
Illustration of the construction used to make a triangle when given three sides.
Illustration of the construction used to circumscribe a circle about a given triangle.
Illustration of the construction used to inscribe a circle in a given triangle.
Illustration of the construction used to escribe circles with centres (centers) called ex-centres of…
Illustration used to construct a triangle , given the perimeter, one angle, and the altitude from the…
Illustration showing a triangle with a line parallel to the base and two intersecting lines.
Illustration showing a circle with an inscribed triangle and radii.
Illustration showing a triangle with an altitude CD passing through the middle of EF. Triangles AEC…
Illustration showing a circle with equilateral triangles and another circle within.
Illustration to show that if a line is drawn through two sides of a triangle parallel to the third side,…
Illustration to show that if a line divides two sides of a triangle proportionally, it is parallel to…
Illustration to show that an angle bisector of a triangle divides the opposite side into segments which…
Illustration to show that a bisector of a an exterior angle of a triangle divides the opposite side…
Illustration that shows two mutually equiangular triangles are similar.
Illustration that shows that two triangles which have their sides respectively parallel, or respectively…
Illustration that shows two similar triangles with altitudes drawn.
Right triangle inscribed in semicircle. Illustration shows that the perpendicular from any point in…
Illustration of triangle ABC with altitude a and base b to be used to demonstrate that the area is 1/2ba.