The Triangle an...

Which one of the following is not an acute scalene triangle?

In the figure aove, $$C$$ is the intersection of $$\bar { AD } $$ and $$\bar { BE } $$. If it can be determined, what is the measure of $$\angle BAC$$?

In the following figure, what is the value of $$y$$ in terms of $$x$$?

Which one of the following figure is having an exterior angle?

An ______ angle is an angle created by the side of a shape and a line extended from an adjacent side.

Find the name of the triangle.

Find the measure of the missing angle in the triangle below.

In a triangle $$ABC$$,  $$AB=AC$$, then $$\triangle ABC$$ is a/an ............ triangle.

Which of the following has no lines of symmetry ? 

If $$a, b$$ and $$c$$ are the sides of a triangle, then __________.