Solve for æ. 8 2 66

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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**Title: Solving for \( x \) in a Circle Geometry Problem**

**Problem Statement:**
Solve for \( x \).

**Diagram Description:**
The diagram consists of a circle with a secant line intersecting it. The secant line creates two segments outside the circle: one segment is \( 8 \) units long and the other is \( 2 \) units long. The longer segment of the secant line appears to extend into the circle, creating an internal chord. The part of the secant line that is inside the circle is labeled \( x \), and the angle formed by the lines intersecting the circle is given as \( 66^\circ \).

**Geometry Explanation:**
In this type of problem involving a circle, the secant-tangent angle theorem might be useful. According to this theorem, the measure of an angle formed by two secant lines intersecting outside a circle is equal to half the difference of the intercepted arcs.

Given:
- External segments of the secant lines: \( 8 \) and \( 2 \) units.
- Internal chord segment: \( x \).

We can use the secant-segment theorem which states:
\[ (external \ segment \ 1 + internal \ segment) \times external \ segment \ 1 = (external \ segment \ 2 + internal \ segment) \times external \ segment \ 2 \]

Substituting the given values to solve for \( x \).

Perfect understanding of circle theorems and their properties is crucial in solving such geometry problems. Detailed steps are needed to find the exact value of \( x \).
Transcribed Image Text:**Title: Solving for \( x \) in a Circle Geometry Problem** **Problem Statement:** Solve for \( x \). **Diagram Description:** The diagram consists of a circle with a secant line intersecting it. The secant line creates two segments outside the circle: one segment is \( 8 \) units long and the other is \( 2 \) units long. The longer segment of the secant line appears to extend into the circle, creating an internal chord. The part of the secant line that is inside the circle is labeled \( x \), and the angle formed by the lines intersecting the circle is given as \( 66^\circ \). **Geometry Explanation:** In this type of problem involving a circle, the secant-tangent angle theorem might be useful. According to this theorem, the measure of an angle formed by two secant lines intersecting outside a circle is equal to half the difference of the intercepted arcs. Given: - External segments of the secant lines: \( 8 \) and \( 2 \) units. - Internal chord segment: \( x \). We can use the secant-segment theorem which states: \[ (external \ segment \ 1 + internal \ segment) \times external \ segment \ 1 = (external \ segment \ 2 + internal \ segment) \times external \ segment \ 2 \] Substituting the given values to solve for \( x \). Perfect understanding of circle theorems and their properties is crucial in solving such geometry problems. Detailed steps are needed to find the exact value of \( x \).
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