Defining a square
Step 1: A square is a quadrilateral with all four sides of equal length.
Clarifying terminology
Step 2: The term “arms” in this context refers to the sides of the square. All four sides (or “arms”) are equal in length.
Evaluating options
Step 3: Analyze the options:
- (A) Four arms equal: Correct, as all sides of a square are equal.
- (B) Long
-Short: Incorrect, as this describes a rectangle.
- (C) Face
-to
-face equal: Incorrect, as it may imply opposite sides (true for rectangles), but not specific to squares.
- (D) None of these: Incorrect, as (A) is correct.
Thus, the correct answer is (A).