An isosceles triangle is a shape that has at least 2 sides that are the same length. This forces the angles to be acute.
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An isosceles triangle definitely has three axes of symmetry
0An equilateral triangle has 3An isoceles triangle has 1All other triangles have 0
Multiply half of the length of the base by the height. Just like any other triangle.
equilateral triangle, scalene triangle, and isoceles triangle Also, acute, obtuse, and right
1 triangle = 3 sides, no matter what kind of triangle it is 5 triangles = 3 sides each = 15 sides