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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Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
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Transcribed Image Text:### Educational Website Transcription
#### Geometry: Circle and Arcs
Below you will find equations involving the measures of arcs in a circle. The diagram provides a visualization for you to interpret the necessary arc measures.
##### Equations to Determine Measures of Arcs:
1. \( m \overset{\frown}{BE} = \) __________
2. \( m \overset{\frown}{BD} = \) __________
3. \( m \overset{\frown}{EA} = \) __________
4. \( m \overset{\frown}{EBA} = \) __________
#### Diagram Explanation:
The diagram to the right depicts a circle with the following points labeled:
- **B** as a point on the circumference.
- **E** as a point on the circumference.
- **A** as a point on the circumference.
- **D** as a point on the circumference.
- **C** as a point within the circle.
The circle is divided into arcs by chords:
- The chord \( \overline{BE} \).
- The chord \( \overline{BD} \).
- The chord \( \overline{EA} \).
An angle of \( 147^\circ \) is marked at point \( C \) between the lines connecting \( E \) to \( C \) and \( A \) to \( C \).
Please use the provided diagram and the angle given to deduce the measures of the arcs \( \overset{\frown}{BE} \), \( \overset{\frown}{BD} \), \( \overset{\frown}{EA} \), and \( \overset{\frown}{EBA} \).
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