Maths & numbers

Line through a point at a given angle calculator

Construct a line using a point and its direction angle.

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Your result

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Behind the numbers

How this calculation works

Construct a line using a point and its direction angle.

THE FORMULAm=tan θ and intercept=y−mx

A worked example

Through (2,3) at 45°, the slope is 1 and the intercept is 1.

Good to know

A vertical line is reported by its fixed x-coordinate.

Read the result

Construct a line using a point and its direction angle.

The primary result is labeled “Slope”. Keep the input definitions in view when comparing this result with another method.

Try a related calculation

A vertical line is reported by its fixed x-coordinate.

For a related exercise, try the quadratic equation solver.

A few questions, answered

How can I check the default inputs by hand?

Through (2,3) at 45°, the slope is 1 and the intercept is 1.

Which rule does this calculator apply?

m=tan θ and intercept=y−mx

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