1 P4.GE.JM.17092638
Level 2
The figure is made up of equilateral triangles. What is the least number of triangles should be shaded to form a symmetry with the dotted line?
2 m
Symmetry Equilateral triangle Min-max

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Symbols

x2
x3
₵
$
⊥
//
∠
°
π
%
:
\[ \]
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