An obtuse angled triangle.
It is an equilateral triangle which in fact has three 60 degree angles
Isosceles Triangle * * * * * In fact it is a right angled isosceles triangle.
A right-angled triangle.
Those triangles with 25 and 90 degree angles are called right angle triangle.
It is an equilateral triangle that has three equal 60 degree angles.
The triangle contains a 90 degree angle, making it a right-angled triangle.
It would be an acute-angled triangle, but it's missing a degree!
right triangle * * * * * Or, to be more precise, a right-angled isosceles triangle.
A right triangle because the 90 degree angle creates a corner.
The 110 degree angle makes this triangle an obtuse triangle.
A right triangle because all triangles equal 180 degrees. 180-60=120 120-30=90