Question

If all the angles of a triangle measure less than ${90}^o$, then such a triangle is called ........

• A. Right angled triangle
• B. Obtuse angled triangle
• C. Acute angled triangle
• D. None of these

Answer 1

Answer: (C)

Acute angled triangle

If all the angles of a triangle measure less than ${90}^o$, then such a triangle is called acute angled triangle. For eg: An equilateral triangle with all the angles equal to ${60}^o$ is acute angled triangle.