Congruence of Triangles
Congruence of Triangles: Overview
This topic covers concepts such as Congruent Figures, Congruence of Two Circles, Congruence of Two Squares, Congruence of Two Triangles, Notation for Congruence of Two Triangles, and Corresponding Parts of Congruent Triangles.
Important Questions on Congruence of Triangles
Given that , so explain what it means and if side units, then find the length of side .

Given that , so explain what it means and if side units, then find the length of side .


If and then the value of is equal to _____.

Prove that the equal chords of congruent circles subtend equal angles at their centres.


Which of the following figures are congruent to the square .



Define the congruency of two triangles.

How can two squares have the same angles but not be congruent?

Two squares are congruent if both of them have the same length of the _____.

In the figure below, O is the centre of the circle. A and B are points on the circle. ∠OAP and ∠OBP are right angles.
Which of the following congruence rules can we use to prove PA = PB?

In the figure below, AE = DE and BE = CE.
Choose the suitable approach to prove that AB = CD.

From a point outside a circle, with circle , tangent and are drawn. Prove that .

Show that the circle drawn with any one of the equal sides of an isosceles triangle as diameter bisects the base of that isosceles triangle.



In a parallelogram , and . Prove that

Given that is congruent to . The meaning of the statement is
