Name this properly " Every triangle is congruent to itself".

If in Δ ABC, AB = AC and vertical angle is 40^o, then base angles are

If each of the interior angle of a regular polygon is 120^o, then number of its sides is

Each of the interior angle of a regular pentagon is

A triangle can always possess

If in ΔPQR, QR = PR and ∠P = 36^o then the longest side of the triangle is

In Δ ABC, AB = 8 cm ; BC = 7 cm , CA = 6.5 cm. What is the greatest angle?

If in ΔABC,∠A = 50^o and ∠B = ∠C then ∠B =

The greater side in a right triangle is

If in Δ ABC, Δ DEF ; AB = DE ; AC = DF and ∠A = ∠D then Δ ABC≅ Δ DEF by ________ axiom.