What is the measure of a right angle?

In South Africa, Grade 8 students learning about Geometry are introduced to the concept of angles. A right angle is a fundamental concept in this topic, and its measure is exactly 90 degrees. This means that when two lines intersect and form a right angle, each of the four angles formed around the point of intersection will measure 90 degrees. Understanding the measure of a right angle is crucial for solving various geometric problems and lays the foundation for more advanced mathematical concepts.