Brain teasers are short and interesting ... Then, spot the smaller triangles formed by three lines coming together. Even if ...
An isosceles triangle has 2 sides of equal length. The dashes on the lines show they are equal in length. The angles at the base of the equal sides are equal. An equilateral triangle has 3 sides ...
An isosceles triangle has 2 sides of equal length. (The dashes on the lines show which are equal in length.) The angles at the base of the equal sides are equal. An equilateral triangle has 3 ...
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