Explain why this is an inverse proportion. Advanced Ratio and Proportion Problems
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tỷ số và tỷ lệ 2in1
- Use direct proportion between distance and time.
- Give examples of how ratios are used to present and analyze data.
- How can you determine if two ratios form a proportion? What are equivalent ratios?
- Give an example of a scale used in astronomy. How are ratios used in architecture and construction?
- Use the definition of direct proportion to find the constant.
- How do the ratios of radii and heights combine to affect the ratio of volumes? A line segment of length 20 cm is divided into two parts in the ratio 2 3. Find the length of each part.
- Give an example of a financial ratio and its meaning. How are ratios used in photography?
- When might an approximate answer be sufficient?
- How are angles related in similar figures? What is the relationship between ratio, rate, and unit rate?
- Explain how to find individual angles when their ratio is known. The ratio of the radii of two circles is 2 5. What is the ratio of their circumferences?
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