no it cant be...
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Equilateral triangle = All sides congruent Scalene triangle = No sides congruent Isosceles triangle = At LEAST two sides congruent Right triangle = Triangle with one right angle Obtuse triangle = Triangle with ONE obtuse angle Acute triangle = Triangle with ALL acute angles
No
An obtuse triangle must have two acute angles and these can be congruent.
No because an equilateral triangle is a regular polygon whereas an obtuse triangle is irregular
n obtuse angle