Standard Mathematics Primary 4 Geometry

Which of the following statements about a square is TRUE?

A Its diagonals bisect each other at right angles.
B It has exactly 2 lines of symmetry.
C Its diagonals are of unequal length.
D It has no right angles.
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Worked Solution

Step 1: Recall the properties of a square. A square has 4 equal sides, 4 right angles, 4 lines of symmetry, and two diagonals. Step 2: Check each statement. Statement A — Diagonals bisect each other at right angles: TRUE. The diagonals of a square cross at their midpoints and form four 90° angles. Statement B — Exactly 2 lines of symmetry: FALSE. A square has 4 lines of symmetry. Statement C — Diagonals of unequal length: FALSE. Both diagonals of a square are equal. Statement D — No right angles: FALSE. A square has four 90° angles. Answer: Its diagonals bisect each other at right angles.

Correct answer: Its diagonals bisect each other at right angles.

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