Math Problem Statement
Solution
To solve this, let’s divide the shape into two parts: a rectangle and a half-circle, then add the areas of each.
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Rectangle Area:
- The rectangle's dimensions are 7 cm (length) and 6 cm (height).
- Area of rectangle = length × height = .
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Half-Circle Area:
- The half-circle’s diameter is the same as the rectangle's height, which is 6 cm. Thus, the radius .
- Area of a full circle = .
- For the half-circle, Area = .
- Substitute and :
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Total Area:
- Add the area of the rectangle and the half-circle:
Answer: .
Would you like a further breakdown of any part of this solution?
Here are related questions you might find useful:
- What would the area be if the half-circle were a full circle?
- How would the area change if the diameter of the half-circle was 8 cm?
- What is the perimeter of this shape?
- How does using a more accurate value of (like 3.14159) affect the area calculation?
- How can we find the area if the shape was scaled by a factor of 2?
Tip: When dealing with composite shapes, breaking them into simpler parts often makes area calculations easier.
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Math Problem Analysis
Mathematical Concepts
Geometry
Area Calculation
Composite Shapes
Formulas
Area of rectangle = length × width
Area of a circle = π × r^2
Area of a half-circle = (1/2) × π × r^2
Theorems
Area Addition of Composite Shapes
Suitable Grade Level
Grades 7-9
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