Problem preview
G-C.4 Warmup M2-032-A05-V04

Construct a tangent line from an external point to a circle.

Classify a point relative to a circle before constructing tangents

Problem

Point \(S\) is \(10~\text{units}\) from the center of a circle with radius \(7\). Compare the center distance with the radius, classify \(S\) as inside, on, or outside the circle, and state the number of real tangents from \(S\).

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Four variants of this problem type
Curriculum context
Course
Math II
Standard
G-C.4
Category
Geometry
Domain
Circles
Objective
Construct a tangent line from an external point to a circle.
Problem type
Classify a point relative to a circle before constructing tangents