Congruence of two circles

Congruence of two squares

Congruence of two angles

Congruence of two triangles

Congruence of two rectangles

Which one of the following is not a criterion for congruence of two triangles?

Which of the following is not the test of congruence of two triangles ? ASA test ,AAS test, SSA test , SAS test.

R and r are the radii of two circles (R > r). If the distance between the centres of the two circles be d, then length of common tangent of two circles is

Use the information marked to prove : (i) DeltaEAC cong DeltaDBC (ii) EC = DC Also state the Euclid's axiom used in proving the congruency of two triangles.

R and r are the radius of two circles (R gt r) . If the distance between the centre of the two circles be d , then length of common tangent of two circles is

State ASA criterion of congruence of triangles.