Secant and Tangent Length Problems

Part outside a circle times the whole equals the other part outside times the whole

Part inside a circle times the whole equals the other part inside times the whole

Part outside a circle times the part inside equals the other part outside times the part inside

Part inside a circle times the part outside equals the other part inside times the part outside

Identify the part inside the circle

Identify the part outside the circle

Identify the tangent's length

Identify the circle's radius

A tangent intersects the circle at two points

A tangent is a line inside the circle

A tangent does not touch the circle

A tangent touches the circle at exactly one point

The part outside is always zero

They are always different

They are always the same

The whole is always zero

3

6

4

5

To measure the circle's diameter

To calculate the circle's area

To identify the tangent's length

To determine the whole length of the secant

1

4

2

3

Multiplication

Subtraction

Addition

Square root

x

x^2

2x

4x

Use the quadratic formula

Take the square root of both sides

Subtract both sides

Add both sides