During an art lesson, Ahmad's teacher places a tile on the table. The tile has 4 straight sides and 4 corners. The two longer sides are each 12 cm and the two shorter sides are each 5 cm. All 4 corners are right angles. What is the name of this shape?
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Worked Solution
Step 1: List the properties of the tile — 4 straight sides, 4 corners that are right angles, two sides of 12 cm and two sides of 5 cm (sides are NOT all equal).
Step 2: Eliminate shapes.
Triangle: only 3 sides — eliminated.
Rhombus: 4 equal sides, but corners are NOT right angles — eliminated (the tile has right angles).
Square: 4 right angles AND all 4 sides equal — eliminated (the tile has sides of 12 cm and 5 cm, which are not equal).
Step 3: Rectangle — 4 right angles, with two pairs of equal opposite sides. The tile has 12 cm sides and 5 cm sides, which fits.
Answer: Rectangle.
Correct answer: Rectangle
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