Properties of an isosceles triangle
Add all interior angles and lengths of the sides.
What do you notice about the lengths of the sides?
All sides have the same length
Two of the sides have the same length
All sides have different lengths
What do you notice about the angles?
Two angles are the same
All angles are the same
All angles are different
Which two angles are the same?
bottom right and top
bottom left and top
bottom left and bottom right (base angles)
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Information: Properties of an isosceles triangle