Math Problem Statement
Solution
The figure in the image consists of a combination of geometric shapes: a rectangle, a smaller rectangle cut out at the bottom, and a semicircle at the top. To find the area of the figure, we need to calculate the areas of these individual parts and sum them up.
Step 1: Area of the rectangle
The dimensions of the main rectangle are 15 yards (height) by 9 yards (width).
Step 2: Area of the small cut-out rectangle
This cut-out is a smaller rectangle with dimensions 5 yards (height) by 3 yards (width).
Step 3: Area of the semicircle
The diameter of the semicircle is 9 yards (equal to the width of the rectangle), so the radius is half of the diameter:
The area of a full circle is given by:
For a semicircle:
Step 4: Total area of the figure
Now we sum up the areas:
Thus, the total area of the figure is approximately 151.82 square yards.
Would you like further details on any step, or do you have any questions?
Related Questions:
- How would the area change if the semicircle were a full circle instead?
- How can you find the perimeter of the figure?
- What would happen to the area if the width of the rectangle was doubled?
- How would you calculate the volume if this figure represented a 3D object, like a prism?
- How is the area affected if the cut-out shape is triangular instead of rectangular?
Tip:
When solving composite area problems, breaking the shape down into simpler components like rectangles, triangles, or circles is a highly effective strategy!
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Math Problem Analysis
Mathematical Concepts
Geometry
Area of Composite Figures
Formulas
Area of Rectangle = height * width
Area of Semicircle = (1/2) * π * r^2
Theorems
Area Addition Postulate
Suitable Grade Level
Grades 7-10
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