Multiple choice general knowledge math & puzzles

If an equilateral triangle shares 2 sides with a parallelogram, then it is a rhombus.

  1. True

  2. False

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A Correct answer
Explanation

An equilateral triangle has three equal sides. If it shares two sides with a parallelogram, those two adjacent sides of the parallelogram must be equal to the sides of the triangle, and thus equal to each other. A parallelogram with equal adjacent sides is a rhombus. Thus, the statement is true.