(7A) #30-Calculate the measure of each inscribed angle in the circle on the right. m

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
Problem 1CT
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### Geometry Problems and Solutions:

---

### Problem #31
**Description:**
This problem involves calculating areas in a geometric figure that represents a baseball diamond.

**Details:**
- The infield of the baseball diamond is a circle with a radius of 30m and is covered in light sand.
- The outfield, with a radius of 75m, has dark grass that needs to be mowed.
- The angle at home plate is 90°.

**Question:** 
Calculate the area of grass that needs to be mowed.

**Diagram:**
[Depicts a baseball diamond with an infield and outfield distinguished by different shadings indicating light sand and dark grass respectively.]

### Problem: Calculate the measure of each inscribed angle in the circle on the right.
**Task:**
- Find the measure of angle A and angle B in the given circle.

**Details in Diagram:**
A circle with intersecting chords that create inscribed angles. Specific angles are marked in the diagram:
- Angle A: \( 6x - 11 \) degrees
- Angle B: \( 3x + 7 \) degrees

**Graph/Chart:**
There is a graph area provided for plotting or calculation purposes, but no specific graph is included in the image.

---

**Instructions for Students:**
1. Carefully read the problem descriptions.
2. Take note of the given values and geometric properties.
3. Proceed to calculate the required areas and angle measures using appropriate geometric formulas and reasoning.
4. For Problem #31, remember to use the formula for the area of a circle (\( A = \pi r^2 \)) and subtract the area of the infield from the area of the outfield to find the grass area.
5. For the inscribed angles, use the properties of circles and the relationships between inscribed angles and arcs.

Good luck!
Transcribed Image Text:### Geometry Problems and Solutions: --- ### Problem #31 **Description:** This problem involves calculating areas in a geometric figure that represents a baseball diamond. **Details:** - The infield of the baseball diamond is a circle with a radius of 30m and is covered in light sand. - The outfield, with a radius of 75m, has dark grass that needs to be mowed. - The angle at home plate is 90°. **Question:** Calculate the area of grass that needs to be mowed. **Diagram:** [Depicts a baseball diamond with an infield and outfield distinguished by different shadings indicating light sand and dark grass respectively.] ### Problem: Calculate the measure of each inscribed angle in the circle on the right. **Task:** - Find the measure of angle A and angle B in the given circle. **Details in Diagram:** A circle with intersecting chords that create inscribed angles. Specific angles are marked in the diagram: - Angle A: \( 6x - 11 \) degrees - Angle B: \( 3x + 7 \) degrees **Graph/Chart:** There is a graph area provided for plotting or calculation purposes, but no specific graph is included in the image. --- **Instructions for Students:** 1. Carefully read the problem descriptions. 2. Take note of the given values and geometric properties. 3. Proceed to calculate the required areas and angle measures using appropriate geometric formulas and reasoning. 4. For Problem #31, remember to use the formula for the area of a circle (\( A = \pi r^2 \)) and subtract the area of the infield from the area of the outfield to find the grass area. 5. For the inscribed angles, use the properties of circles and the relationships between inscribed angles and arcs. Good luck!
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