At school we are told that the shape of a right-angled triangle depends upon the other two angles. The angle is related to the circumference of a circle, which is divided into 360 parts or degrees.

left and right arrows to seek, up and down arrows for volume. What is a triangle? We all know that a triangle is a three-sided shape — 1, 2, 3 sides. A triangle also has three angles — 1 ...

A triangle is a closed shape with three sides and three vertices ... all interior angles are acute i.e less than 90 degree. Right-angled Triangle: one of the three interior angle is 90 degree.