A: True. Parallelogram means both sets of sides are parallel and in a square they have to be or else it wouldn't be a square if both sets of sides were not parallel.

User: You can use the triangle inequality theorem to determine if side lengths create a right triangle

User: A square is always a parallelogram

Weegy: True. Parallelogram means both sets of sides are parallel and in a square they have to be or else it wouldn't be a square if both sets of sides were not parallel. beezy_187|Points 241|

User: A convex polygon looks like it collapsed or has indentations

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