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WAEC Mathematics 2020 Question 45

Question 45

Triangles and Quadrilaterals

Which of the following in not a sufficient condition for two triangles to be congruent?

  1. A.AAS
  2. B.SSS
  3. C.SAS
  4. D.SSA
Show the answer and explanation

Answer: D (SSA)

Explanation

Two sides and a non-included angle (SSA) can fit two different triangles, so it does not prove congruence.