Math Problem Statement
how to find the area of the shaded area
Solution
To find the area of the shaded region, we can follow these steps:
- Identify the Geometry: The shaded area is the region between a circle and a square inscribed within it.
- Determine Dimensions: The square has a side length of 5 cm, as shown in the image.
Step-by-Step Solution
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Calculate the Area of the Square:
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Calculate the Diameter of the Circle: Since the square is inscribed in the circle, the diagonal of the square is equal to the diameter of the circle.
- For a square with side , the diagonal can be calculated using the Pythagorean theorem:
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Calculate the Radius of the Circle: The radius of the circle is half of the diameter:
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Calculate the Area of the Circle:
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Calculate the Shaded Area: The shaded area is the area of the circle minus the area of the square:
Final Answer
The area of the shaded region is approximately .
Would you like further details or have any questions about this solution?
Here are some related questions you might find interesting:
- How would the shaded area change if the square's side length were increased?
- What if the circle's radius was given instead of the square's side?
- How do we derive the formula for the diagonal of a square?
- What would be the area of the shaded region if the circle was circumscribed around a different polygon?
- Can we find the shaded area if only the perimeter of the square is given?
Tip: Always check if a shape is inscribed or circumscribed, as it affects how we relate dimensions between the shapes involved.
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Math Problem Analysis
Mathematical Concepts
Geometry
Area calculation
Inscribed shapes
Formulas
Area of square = side^2
Diagonal of square = side * sqrt(2)
Area of circle = π * radius^2
Radius of circle = diagonal / 2
Theorems
Pythagorean theorem (for calculating diagonal of square)
Suitable Grade Level
Grades 8-10
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