Triangle Hierarchy

Which triangle is classified as scalene acute?

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Which triangle is classified as equilateral acute?

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Which triangle is classified as isosceles acute?

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How is this triangle classified?

• right isosceles

• right scalene

• obtuse isosceles

• equilateral

A ______ triangle has 3 congruent sides and 3 congruent angles.

• right

• scalene

• isosceles

• equilateral

A triangle with at least 2 congruent sides is ______.

• scalene

• isosceles

• a square

A _____ triangle has 0 congruent sides.

• equilateral

• isosceles

• scalene

• three sided

Which triangle belongs in the part of the circle labeled "scalene triangle"?

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What is missing in the side length classification?

• Equator

• Short

• Isosceles

• Scalifish

According to the diagram, how can a scalene triangle be classified by its sides?

• acute or right only

• acute, right or obtuse

• obtuse only

• right only