What are you talking about? Don't you mean 'is every angle in an equilateral triangle an acute angle.' Because the answer to that is yes. Each one is 60 degrees (all angles in an equilateral triangle are equal so 180 divided by three is 60 degrees. Sorry if I'm patronising you at all in this paragraph!
-- An 'acute triangle' is a triangle in which each of the three interior angles is an acute angle. -- Each of the three interior angles in every equilateral triangle is a 60-degree angle. -- Any angle of less than 90 degrees is an acute angle. -- It sure looks like every equilateral triangle does fit the definition of 'acute triangle'.
yes in fact every triangle has at least one acute angle
No
Yes it can. Every equilateral triangle is an acute one. To put it another way, the family of acute triangles includes all equilateral ones.
-- No right triangle, acute triangle, or equilateral triangle has an obtuse angle in it. -- If a triangle has an obtuse angle in it, then it's called an obtuse triangle. -- No triangle can have more than one obtuse angle in it .
Every equilateral triangle has 3 equal 60 degree acute angles
All angles are acute (all 60°)
yes.
Yes!
Yes, a Triangle can have 3 obtuse EXTERIOR angles of measure 120° ONLY in the case of an equilateral Triangle. OTHERWISE, a Triangle always has 2 obtuse Exterior angles and 1 acute Exterior angle.
Yes. Every triangle with an obtuse angle must have two acute angles.
Equilateral triangles have angles that all equal 60 degrees. Acute triangles all have an angles that are less than 90 degrees.