The best describes the triangle is the acute and isosceles.
We have given that the triangle
We have to describe the given triangle
What is the isosceles triangle?
An isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case.
Isosceles triangles have two sides of equal length. Acute triangle angles are all less than 90°.
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