Which phrase does not describe a triangle

acute
isosceles right
equilateral equiangular
obtuse right

Equilateral equiangular phrase does not describe a triangle.

An acute triangle is a triangle that all the 3 internal angles of the triangle measures less than 90 degrees.

Isosceles Triangle describes a triangle in which 2 of the 3 sides has the same length.

Obtuse triangle describes a triangle in which one of the interior angles of the triangle measure more than 90 degrees.

Equilateral equiangular does not describe a triangle.

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equilateral equiangular, or the third one

Step-by-step explanation:

Acute and obtuse is describing an angle of a certain triangle to describe what kind of a triangle it is.

Isosceles right is a type of a triangle.

So, equilateral equiangular is the only thing left.

Hope it helps!!

Let me know if I'm wrong or you are confused and need help about anything else!!

answer: ok

step-by-step explanation: