Question

Based on the angles, triangles are of six types.

• A. True
• B. False

Answer 1

The correct option is B False

Based on the angles, triangles are of three types:
• A triangle whose all angles are acute is called an acute-angled triangle.
• A triangle whose one angle is obtuse is called an obtuse-angled triangle.
• A triangle whose one angle is a right angle is called a right-angled triangle.