Select all that apply. What types of triangles have at least two acute angles? right obtuse equilateral isosceles

i need to know

1 Answer
Jun 5, 2018

All 4 are possible.


A right triangle must contain a right angle and two acute angles.

An obtuse triangle must contain an obtuse angle and two acute angles.

An equilateral triangle must be 60 degrees in every corner, and thus there are 2+ acute angles.

An isosceles triangle can have two angles that are 30 degrees (thus two acute), and a 120 degree angle.

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