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If two triangles have equivalent side lengths, then they are congruent.

This conditional statement is...

A. False, because the two triangles might have different angle measurements.

B. False, because not all congruent triangles have equivalent side lengths.

C. True.

D. False, because triangles cannot be equivalent.

Sagot :

To determine the correctness of the statement "If two triangles have equivalent side lengths, then they are congruent," we need to analyze what it means for triangles to be congruent and whether having equivalent side lengths always implies congruence.

Congruent triangles are triangles that are identical in size and shape, meaning that all corresponding sides and angles are equal.

The Side-Side-Side (SSS) Congruence Theorem states that if three sides of one triangle are equal to three sides of another triangle, then the triangles are congruent. However, the given conditional statement does not provide enough information to immediately conclude congruence, as there may be additional considerations such as the arrangement of angles.

Let’s break down the given options:

1. False, because the two triangles might have different angle measurements.

This statement points out that even if the side lengths are equivalent, the triangles might not have the same angles. Triangles with the same side lengths but arranged differently can indeed have different angles, which means they are not congruent. This matches our conceptual understanding.

2. False, because not all congruent triangles have equivalent side lengths.

This statement is incorrect. By definition, congruent triangles must have equivalent corresponding side lengths and angles.

3. True

This claims that equivalent side lengths guarantee congruence. While this statement holds true under normal geometric circumstances due to the SSS Congruence Theorem, it is important to note that the congruence must consider corresponding angles as well.

4. False, because triangles cannot be equivalent.

This statement is incorrect because triangles can indeed be congruent (equivalent in shape and size).

Thus, the correct detailed reasoning leads us to the first option:

False, because the two triangles might have different angle measurements.

This option accurately captures the potential for differing internal angles even if the side lengths appear equivalent, which means the triangles may not be congruent. Hence, the correct answer is indeed the first option.