18. Xz IS a diameter of the circle shown. the radius of the circlC Is 13 feet and Yz = 24 feet. Find t %3D 2570

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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**Geometry Problem: Finding Segment Lengths in a Circle**

**Problem Statement:**

XZ is a diameter of the circle shown. The radius of the circle is 13 feet and YZ = 24 feet. Find XY.

**Explanation:**

In this problem, we are given a circle with a diameter XZ and a point Y on the circumference of the circle. Important details given include:

1. The radius of the circle is 13 feet.
2. The length of segment YZ is 24 feet.

We need to determine the length of segment XY.

**Steps to Solve:**

1. **Understand the Given Information:**
   - The radius of the circle is 13 feet.
   - The diameter is twice the radius, so XZ = 26 feet.
   - YZ = 24 feet.

2. **Diagram Explanation:**
   - The circle has its diameter XZ.
   - Point Y is somewhere on the circumference, making the segments XY, YZ, and XZ form a triangle within the circle.

3. **Using Geometry Principles:**
   - Since the problem involves a circle and its diameters, we can apply the Pythagorean theorem in the circle.
   - The triangle XYZ with XZ as the hypotenuse (26 feet) and YZ (24 feet) can be solved for XY.

4. **Application of Pythagorean Theorem:**
   - \(XZ^2 = XY^2 + YZ^2\)
   - \(26^2 = XY^2 + 24^2\)
   - \(676 = XY^2 + 576\)
   - Solving for XY, subtract 576 from both sides: 
     \(676 - 576 = XY^2\)
     \(100 = XY^2\)
     \(XY = \sqrt{100}\)
     \(XY = 10\) feet

Therefore, the length of segment XY is 10 feet.
Transcribed Image Text:**Geometry Problem: Finding Segment Lengths in a Circle** **Problem Statement:** XZ is a diameter of the circle shown. The radius of the circle is 13 feet and YZ = 24 feet. Find XY. **Explanation:** In this problem, we are given a circle with a diameter XZ and a point Y on the circumference of the circle. Important details given include: 1. The radius of the circle is 13 feet. 2. The length of segment YZ is 24 feet. We need to determine the length of segment XY. **Steps to Solve:** 1. **Understand the Given Information:** - The radius of the circle is 13 feet. - The diameter is twice the radius, so XZ = 26 feet. - YZ = 24 feet. 2. **Diagram Explanation:** - The circle has its diameter XZ. - Point Y is somewhere on the circumference, making the segments XY, YZ, and XZ form a triangle within the circle. 3. **Using Geometry Principles:** - Since the problem involves a circle and its diameters, we can apply the Pythagorean theorem in the circle. - The triangle XYZ with XZ as the hypotenuse (26 feet) and YZ (24 feet) can be solved for XY. 4. **Application of Pythagorean Theorem:** - \(XZ^2 = XY^2 + YZ^2\) - \(26^2 = XY^2 + 24^2\) - \(676 = XY^2 + 576\) - Solving for XY, subtract 576 from both sides: \(676 - 576 = XY^2\) \(100 = XY^2\) \(XY = \sqrt{100}\) \(XY = 10\) feet Therefore, the length of segment XY is 10 feet.
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