Math Problem Statement
Solution
The image you uploaded contains a geometry problem involving two similar polygons, as well as the application of proportional relationships between their sides.
Here's a breakdown of the solution process:
-
Angle Correspondence:
- The two polygons are similar, meaning their corresponding angles are equal.
- Since in the left polygon, the corresponding angle in the right polygon is , which also measures .
-
Side Correspondence:
- from the left polygon corresponds to from the right polygon.
- from the left polygon corresponds to from the right polygon.
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Proportions Between Corresponding Sides:
- Since the polygons are similar, the sides are proportional. We can set up the following ratio:
- Substituting the known values:
- Solving for (the length of ) by cross-multiplying: Thus, the length of is units.
Final Answer:
The length of side in the right figure is 30 units.
Let me know if you'd like more details or clarifications!
Here are five related questions:
- What would happen if the polygons were not similar?
- How are proportions used in other geometric problems involving similar shapes?
- What are the key differences between similar and congruent polygons?
- How can we verify that two polygons are similar based solely on side lengths?
- What are some applications of similar polygons in real-world problems?
Tip:
Always ensure that you match corresponding angles and sides when working with similar polygons to avoid incorrect proportions.
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Math Problem Analysis
Mathematical Concepts
Similar Polygons
Proportions
Geometry
Formulas
Length of AB / Length of FG = Length of CD / Length of HI
Cross-multiplication to solve proportions
Theorems
Similar Polygons Theorem
Suitable Grade Level
Grades 8-10
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