Triangles Test ...

Consider isosceles triangle $$ABC$$, in which $$AB=AC$$ and$$\angle ABC =50^o$$. Find the $$\angle BAC$$.

Which of the following is congruent to the above figure?

In the given figure, $$PA$$ $$\perp$$ $$AB$$, $$QB$$ $$\perp$$ $$AB$$ and $$\Delta$$ $$OAP$$ $$\cong \Delta$$ $$OBQ$$, then:

If for $$\triangle$$ABC and $$\triangle$$DEF, the correspondence CAB $$\leftrightarrow$$ EDF gives a congruence, then which of the following is NOT true?

Which congruence criterion can be used to conclude $$\triangle$$ $$XYZ$$ $$\cong$$ $$\triangle$$ $$QPR$$?

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

Which of the following pair of triangles are congruent by RHS criterion?

Converse of isosceles triangle theorem states that ...........

Direction (14 - 15) : Study the figure and information given below carefully and answer the following questions.
CF and AE are equal perpendiculars on BD, BF = FE = ED.
$$\triangle$$ABE is congruent to

By which congruency criterion, $$\triangle$$PQR $$\cong$$ $$\triangle$$PQS?