Yes. Acute angle is less than 90°.
60° which is less than 90°, can make an equilateral triangle .
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All the sides of an equilateral triangle are of equal lengths—each interior angle of this triangle measures 60°. So, an equilateral triangle is always an acute triangle.
Yes all equilateral triangles are acute triangles, but not all acute triangle are equilateral triangles.
An acute scalene triangle has none. An acute isosceles triangle has one and an [acute] equilateral has three.
An equilateral triangle has all three angles equal and they must sum to 180 degrees. So 180 divided by 3 is 60 which is an acute angle. There are three acute angles in an equilateral triangle.
A scalene triangle or an equilateral triangle
Equilateral * * * * * Not necessarily. A triangle with angle measuring 50, 60 and 70 degrees is a triangle with three acute angles but it is certainly not equilateral.