Advanced Mathematics Primary 2 Shapes and Patterns

In an art lesson, Priya is given a tangram piece that is a square. She cuts it in a straight line from one corner to the opposite corner. What are the 2 new shapes she gets?

A 2 rectangles
B 2 triangles
C 2 squares
D 1 triangle and 1 rectangle
Show Worked Solution

Worked Solution

Step 1: Picture the square and the cut. The cut goes in a straight line from one corner to the opposite corner — this is a diagonal cut. Step 2: Count the sides of each new piece. Piece 1: 2 sides of the original square + 1 new slanted side = 3 sides — triangle. Piece 2: 2 sides of the original square + 1 new slanted side = 3 sides — triangle. Step 3: Both pieces are right-angled triangles. Answer: 2 triangles.

Correct answer: 2 triangles

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