Page 19 - 新思维数学活动用书5 样章
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2 2D shape and pattern
5 On each of these isosceles triangles, circle the angles that are the same size. You could
use tracing paper to compare the sizes of the angles.
a b
d
c
6 a Write a sentence about the sides of an equilateral triangle.
b Write a sentence about the angles of an equilateral triangle.
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