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What is a true statement about an isosceles right triangle?
The two equal angles each measure 45 degrees
True or false An isosceles right triangle is always a 45-45-90 triangle?
True
Which statement about the base angles of an isosceles triangle is true?
The base angles are always congruent.
What statement sometimes true about the relationship between acute triangles and isosceles triangle?
The two acute angles are always equal.
All equilateral triangles are also isosceles triangles?
True or False, depending on your definition of isosceles triangles!Actually, whether your answer is true or false depends upon your definition of an isosceles triangle. Some mathematicians define an isosceles triangle as one with at least two sides, while others define an isosceles triangle as one with exactly two sides. The latter definition is the more generally accepted one. Since an equilateral triangle has three, not exactly two congruent sides, people using the second definition of isosceles triangles would say that the statement is false, not true.False because an equilateral triangle has 3 equal sides whereas an isosceles triangle has only 2 equal sides
