Right Angle

                

 Right Angle:

• An angle which is equal to 90 degrees is called right angle.
• A right angle is an angle that measures exactly  90⁰ .

Characteristics of a right angle include:

•  It has a measure of exactly 90 degrees.
• It is formed by two perpendicular lines or line segments.
•  A small square placed in the corner of the angle symbol, such as ∟ABC. For video click here