Math Problem Statement
find the area
Solution
To find the area of this shape, we can divide it into two parts:
- A rectangle at the bottom.
- A semicircle at the top.
Step-by-Step Solution:
-
Calculate the area of the rectangle:
- Width ft
- Height ft
- Area of rectangle square feet
-
Calculate the area of the semicircle:
- The diameter of the semicircle is the same as the width of the rectangle, which is 15 ft. Therefore, the radius is:
- Area of a full circle
- Since we only need half of the circle (a semicircle), the area of the semicircle is:
-
Total Area:
So, the area of the shape is approximately 298.36 square feet.
Would you like further details or have any questions?
Here are five related questions for further exploration:
- How would the area change if the semicircle's diameter were increased by 5 feet?
- What would be the area if the semicircle were replaced with a full circle?
- How do you calculate the perimeter of this shape?
- What if the rectangle height were reduced to 10 feet instead of 14 feet?
- How would the area calculation change if the shape were rotated or mirrored?
Tip: Breaking complex shapes into simpler geometric figures often simplifies area calculations significantly.
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Math Problem Analysis
Mathematical Concepts
Geometry
Area Calculation
Composite Shapes
Formulas
Area of rectangle = width × height
Area of a semicircle = (π × radius^2) / 2
Theorems
Area addition theorem for composite shapes
Suitable Grade Level
Grades 6-8
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