Math Problem Statement
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Solution
To solve the problem, we need to calculate the area of the shaded region in the diagram provided.
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The diagram consists of a square with side length and four overlapping circular segments. The circle arcs suggest that the shaded area is created by subtracting the circular segment areas from the square.
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Calculate the area of the square:
The area of the square is:
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Calculate the area of the full circle:
Since the arcs come from a circle with diameter equal to the side length of the square (), the radius of the circle is:
The area of the full circle is:
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Calculate the area of the quarter-circle segments:
Each arc corresponds to a quarter-circle of the full circle. The total area of the four quarter-circles is equivalent to the area of the entire circle:
However, due to overlapping, the arcs are not covering the entire square.
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Calculate the shaded area:
The shaded region is the area of the square minus the unshaded region (formed by the quarter-circles). Using approximations:
Using :
The closest answer is: C. 112 cm²
Would you like a more detailed explanation or help with related problems?
Here are five related questions for further exploration:
- How do you calculate the area of a quarter-circle?
- What is the significance of overlapping areas in composite figures?
- How would the solution change if the square’s side length were different?
- What is the effect of using an exact value of versus an approximation?
- How can we compute areas of irregular shapes using integration?
Tip: When solving geometry problems, always identify if symmetry can simplify calculations!
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Math Problem Analysis
Mathematical Concepts
Geometry
Area Calculation
Circle Segments
Composite Shapes
Formulas
Area of square: s^2
Area of circle: πr^2
Shaded area: Area of square - Area of overlapping circle segments
Theorems
Area formulas for squares and circles
Suitable Grade Level
Grades 8-10
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