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Right Angle

Key Stage 2

Meaning

A right angle is shown in the following diagram.

RightAngle.png
A diagram showing a right angle between two lines.

Key Stage 3

Meaning

A right angle is an angle of exactly 90° between two lines.

About Right Angles

right angles are labelled between two lines that cross over at 90° to each other.
Two lines at right angles may be called perpendicular.
A line at right angles to a surface is called a normal line.
The angles inside a square or rectangle are right angles.
RightAngle.png
SquareRightAngles.png
A diagram showing a right angle between two lines. There are 4 right angles in a square or a rectangle.

Key Stage 4

Meaning

A right angle is an angle of exactly 90° between two lines.

About Right Angles

right angles are labelled between two lines that cross over at 90° to each other.
Two lines at right angles may be called perpendicular.
A line at right angles to a surface is called a normal line.
The angles inside a square or rectangle are right angles.
RightAngle.png
SquareRightAngles.png
A diagram showing a right angle between two lines. There are 4 right angles in a square or a rectangle.