Question

An equilateral triangle is also ____ triangle.

• A. a right-angled
• B. a scalene
• C. an obtuse angled
• D. an acute angled

Answer 1

The correct option is D an acute angled

Each angle of an equilateral triangle measures 60${}^{\circ }$.
We know that triangles whose angles measure less than 90${}^{\circ }$ are called acute angled triangles.
Therefore, an equilateral triangle is also an acute angled triangle.