What is the order of rotational symmetry for the given figure?

How is trapezoid ABCD translated to trapezoid A'B'C'D'? 

A translation in which the size and shape of a graph of a function is not changed, but the location of the graph is.

Two figures are congruent if they have______.

The diagonal PR of a quadrilateral PQRS bisects the angles P and R, then

In fig., if AB = AC and PB = QC, then by which congruence criterion is PBC ≅ QCB

In an isosceles triangle ABC with AB = AC, if BD and CE are the altitudes, then BD and CE are______.

In the case of two equilateral triangles, PQR and STU, the incorrect correspondence is _________

If two sides of a triangle are equal, the angles opposite to these sides are______.

In the following figure, PQ = PR and SQ = SR, then

Identify the incorrect statement from the following.

Triangle ABC is congruent to triangle DEF. The side congruent to side BC is ___________.

In the given figure, AB = AC, AD = AE = 5 cm and DC = 8 cm. Length of EB is______.

Identify the postulate to prove the triangles to be congruent is _________.

Identify the postulate to prove the triangles to be congruent is _________.

Identify the postulate to prove the triangles to be congruent is _________.

If ,  the pair of congruent angles is __________.