Advanced Mathematics Primary 4 Geometry

Mrs Lim places a triangular prism on the table with one of its rectangular faces lying flat. Which of the following correctly lists the front view (facing a triangular end), the top view (looking straight down), and the side view (facing a rectangular face)?

A Triangle, Rectangle, Rectangle
B Rectangle, Rectangle, Rectangle
C Triangle, Triangle, Rectangle
D Triangle, Rectangle, Triangle
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Worked Solution

Step 1: Identify the faces of a triangular prism. A triangular prism has: • 2 triangular faces (the two ends) • 3 rectangular faces (the sides) Step 2: Determine the view from each direction. Orientation: one rectangular face is flat on the table. • Front view — you face one triangular end directly. You see a TRIANGLE. • Top view — you look straight down from above. You see the top rectangular face: a RECTANGLE. • Side view — you face one of the long rectangular side faces. You see a RECTANGLE. Front, Top, Side = Triangle, Rectangle, Rectangle.

Correct answer: Triangle, Rectangle, Rectangle

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