Foundation Mathematics Primary 3 Geometry

Look at a rectangular piece of paper. Which of the following best describes the top edge and the bottom edge of the rectangle?

A They are parallel lines.
B They are perpendicular lines.
C They meet at a right angle.
D They are diagonal lines.
Show Worked Solution

Worked Solution

Step 1: Look at the top edge and the bottom edge of the rectangle. Both edges are horizontal and run in the same direction. Step 2: Check whether they meet. No matter how far you extend them, they never meet. Step 3: Check whether the distance between them changes. The distance between the top and bottom edges is always the same. Step 4: Apply the definition. Lines that are always the same distance apart and never meet are called parallel lines. Final answer: The top and bottom edges are parallel lines.

Correct answer: They are parallel lines.

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