Main content

## Properties of tangents

# Determining tangent lines: lengths

CCSS Math: HSG.C.A.2

Solve two problems that apply properties of tangents to determine if a line is tangent to a circle.

If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content

CCSS Math: HSG.C.A.2

Solve two problems that apply properties of tangents to determine if a line is tangent to a circle.