What is a Right Angle?

An angle that has a measure equal to 90 degrees is called a Right Angle. It is formed when two rays meet each other perpendicularly. The angle between two perpendicular lines is called the Right Angle. In radian, right angle measures π/2 radian.

Right Angle Definition

A right angle in geometry is an angle that measures exactly 90 degrees and it is formed by intersecting two lines or line segments in such a way that the angle between them on either side is 90 degrees. It is denoted by the symbol (L). We observe right angles at the corner of the screen of Computers, television, etc.

Right Angle

A Right Angle is an angle whose measure in degrees is 90 degrees and its measure in radians is π/2 radian. It is one of the most basic angles in geometry and has various applications. It is used to define various shapes, structures, and figures in 2-D and 3-D space. Two lines that are perpendicular to each other always form the right angles. We can see the right angles at various figures such as we see right angles at the corners of squares and rectangles, i.e. the sides meeting at the corners of the rectangle forms the right angles.

In this article, we will learn about the right angle definition, the right angle shape along with the right angle triangle, and area of right angle triangle.

Table of Content

  • What is a Right Angle?
  • Right Angle Degree
  • Right Angle Shapes
  • Right Angle Calculator
  • Right Angle Triangle 
  • Right Angle Formula

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What is a Right Angle?

An angle that has a measure equal to 90 degrees is called a Right Angle. It is formed when two rays meet each other perpendicularly. The angle between two perpendicular lines is called the Right Angle. In radian, right angle measures π/2 radian....

Measure of Right Angle

We can measure any angle in either in degree or radians. Other than these there are more measures of angles as well but they are not used frequently in maths such as Mil (NATO mil), Turns or Revolutions, or Gradians (Gon) etc....

Right Angle Shapes

The right angle shape is one of the most common shapes of geometry and can be represented by “L”. We see right angles in our daily life regularly, the angle between minutes hand and hour hand at 3:00 pm, 6:00 pm, etc is a right angle....

Right Angle Calculator

We can calculate the right angle using various devices they are called right-angle calculators. Some examples of right-angle calculators are a pair of set squares, a compass, a protractor, etc. All these devices can easily measure the right angle, as for measuring the right angle using set squares we place the set square above the angle that we have to measure and if the set square matches the angle completely then it is a right angle....

Right Angle Triangle

A Triangle with one of its angles is a right angle i.e. 90° is known as the Right Angle Triangle or a Right Triangle. The side opposite to the right angle is the hypotenuse. A right-angle triangle can never be an equilateral triangle because one of its angles is always 90 degrees. In a right-angled isosceles triangle, the other two angles measure 45 degrees each....

Right Angle Isosceles Triangle

An isosceles triangle is a triangle in which two sides of the triangle are equal. For a right-angled isosceles triangle, we have an isosceles triangle that has a right angle. Now if one angle of the isosceles right-angle triangle is 90 degrees and the other two angles are equal then by following the angle sum property of the triangles we can calculate the other two angles of the triangle....

Right Angle Triangle Properties

Various properties of the right-angle triangle are,...

Right Angle Examples

Example 1: In a Right Angle Triangle, What is the value of hypotenuse if the perpendicular is 4 cm and the base is 5 cm?...

FAQs on Right Angle

What is a Right Angle in Math?...

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