## Right Angle

### A right angle is a type of angle that measures exactly 90 degrees

A right angle is a type of angle that measures exactly 90 degrees. It is formed by two perpendicular lines meeting at a single point. Right angles are commonly denoted using a small square or a small angle symbol (⦜). In a right angle, the two perpendicular lines are perpendicular to each other, meaning they intersect at a 90 degree angle.

Right angles are often encountered in geometry and can be found in various shapes and figures. For example, a square has four right angles, as each of its corners forms a 90 degree angle. Similarly, a rectangle has four right angles, but the sides may not be of equal length. Right angles are also found in right triangles, where one of the angles is exactly 90 degrees.

Right angles have several important properties. Some of these properties include:

1. Perpendicularity: In a right angle, the two lines that meet are perpendicular to each other. This means that the slopes of these lines are negative reciprocals of each other.

2. Parallel lines: If two lines are both perpendicular to a third line, then they are parallel to each other. This property is useful in geometry when studying the angles formed by parallel lines and transversals.

3. Trigonometric functions: Right angles are fundamental in trigonometry, as they help define the ratios for sine, cosine, and tangent functions. These functions are extensively used in fields such as physics, engineering, and navigation.

In everyday life, right angles can be found in various objects and structures. For example, corners of buildings are often formed by right angles. Additionally, right angles are important in construction and woodworking to ensure precision and stability in structures.

Overall, understanding right angles is essential in mathematics and has practical applications in various fields.

##### More Answers:

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Understanding Right Triangles | Properties, Pythagorean Theorem, and Applications