What is an obtuse angle on a right-angled triangle called? Why does it exist if there are no obtuse angles in triangles at all? - Quora

What are triangles that are not right, acute or obtuse called? - Quora

A triangle cannot have two angles.

What type of triangle is a Citgo logo? Obtuse, acute or right? - Quora

What is the greatest obtuse angle possible in a scalene triangle? - Quora

Geometry & Measurement - ppt download

What Are The Properties Of 2D And 3D Shapes?

What is the difference between an obtuse triangle, a right triangle, and a regular triangle? - Quora

In a triangle, there is an obtuse angle, a right angle and an acute angle. Is this statement true? Why or why not? - Quora

Why is an obtuse angle called so? - Quora

What is the greatest obtuse angle possible in a scalene triangle? - Quora

Axiom, Corollary, Lemma, Postulate, Conjectures and Theorems