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# Given WRST is a parallelogram and WS = RT, how can you classify WRST?

A. WRST is a rhombus by Theorem 6−16, because its diagonals are congruent.

B. WRST is a rhombus by Theorem 6−17, because because its diagonals are congruent.

C. WRST is a rectangle by Theorem 6−18, because its diagonals are congruent.

D. WRST is a square by Theorem 6−19, because its diagonals are congruent.

### 1 Answer

Relevance

- L. E. GantLv 71 month ago
Don't know the theorems you are referring to, but logic suggests that, if the diagonals are congruent,

it can't be A or B because, in a rhombus, the diagonals are not equal in length

So, either C or D.

Not enough information to conclude D (would need to know that the diagonals are perpendicular to each other).

therefore C is most likely to be correct

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