## right angle

### A right angle is a geometric term that refers to an angle with a measure of 90 degrees

A right angle is a geometric term that refers to an angle with a measure of 90 degrees. It is formed by two perpendicular lines or line segments, and each side of the angle is called a “leg.”

In a right angle, the legs are perpendicular, meaning they intersect at a 90-degree angle. The point of intersection is called the “vertex” of the angle. The two legs are also equal in length, so the right angle is symmetrical.

Right angles are commonly seen in everyday objects and shapes. For example, the corners of a rectangular table or a square are right angles. Additionally, the letter “L” shape is a combination of two right angles.

In terms of trigonometry, a right angle is crucial as it forms the basis of various trigonometric functions such as sine, cosine, and tangent. These functions are used to calculate the relationships between the angles and sides of a right triangle.

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