Question

To prove the congruency of two triangles, we need at least ________of their corresponding parts be equal.
a. one angle and two sides b. one side and two angles c. both a and b
d. none of the above
e. can’t say

Answer 1

Both a and b are correct

We can prove congruency of a triangle by:-
A.A.S(angle.angle.side) criteria
S.S.S(side.side.side)criteria
S.A.S(side.angle.side)criteria
A.S.A(angle.side.angle)criteria
R.H.S(right angle-hypotenuse-side)