Page 24 - 新思维数学活动用书5 样章
P. 24
2.2 Symmetry
Exercise 2.2 Tip
Focus Place a small mirror on the mirror line.
1 Spot the difference. Check that the picture on the right
Draw shapes on the right side of the looks the same as the image in
picture to make it a reflection of the mirror.
the picture on the left.
mirror line
2 Zara says that she is thinking of a triangle with three lines of symmetry. Draw a ring
around the name of the triangle that Zara is thinking of.
scalene isosceles equilateral
3 Shade squares to make a pattern with one line of symmetry.
mirror line
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