(01) Draw a rough sketch of a triangle ABC. Mark a point P in its interior and a point Q in its exterior. Is the point A in its exterior or in its interior?
In the above figure, ABC is a triangle with point P in its interior and point Q in its exterior.
Point A is neither in its exterior nor in its interior. Point A lies on the triangle ABC.
2. (a) Identify three triangles in the figure.
(b) Write the names of seven angles.
(c) Write the names of six-line segments.
(d) Which two triangles have ∠B as common?