Standard Mathematics Primary 3 Angles

Ravi is arranging shapes on a table. He wants to find which shape has exactly 4 right angles at all its corners. Which one should he choose?

A Triangle
B Rectangle
C Pentagon
D Trapezium
Show Worked Solution

Worked Solution

Step 1: Count the number of corners in each shape. Step 2: A right angle is exactly 90°. Step 3: A rectangle has exactly 4 corners, and each corner is a right angle (90°). Step 4: You can verify by placing the corner of a piece of paper at each corner of a rectangle — they match. Answer: Rectangle.

Correct answer: Rectangle

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