If a triangle has angles 1350, 150, 300. Is it an obtuse triangle ?
How many straight lines you need to form a triangle ?
What is the sum of all internal angles of a Triangle ?
A triangle whose any one of the angles is an obtuse angle or more than 90 degrees, then it is called obtuse-angled triangle
An acute angle triangle (or acute-angled triangle) is a triangle in which all the interior angles are acute angles. To recall, an acute angle is an angle that is less than 90°.