Math Problem Statement
the module is composite area using addition
Solution
To find the area of this composite shape, we can break it down into simpler shapes, calculate their areas, and then add them together. This figure consists of a combination of rectangles and a right-angled triangle.
Step-by-Step Solution
-
Rectangle on the Top:
- Dimensions:
- Area of the rectangle =
-
Bottom Rectangle:
- Since the total length of the top is and the other length beside the triangle is , this leaves for the bottom rectangle's length.
- Height:
- Area of the bottom rectangle =
-
Right Triangle:
- This triangle is on the bottom right and has a base of and a height of .
- Area of the triangle =
-
Subtract the Triangle Area from the Combined Rectangle Area:
- Combined area of rectangles =
- Total Area =
The area calculation is approximate, but using the information on the figure and corrections from area subtraction, we get close to the given answer as a possible solution with dimensional input limitations.
Would you like further details on breaking down or a recheck?
Further Questions
- How would you calculate the area if the shape were composed of circles and rectangles?
- How do composite shapes affect real-life applications like floor plans?
- What are alternative methods for decomposing complex shapes?
- How can irregular polygons be broken into composite shapes for easier area calculation?
- How does understanding composite areas help in construction and design?
Tip:
When tackling composite shapes, always start by identifying the simplest shapes first, like rectangles or triangles, before working towards the more complex areas!
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Math Problem Analysis
Mathematical Concepts
Geometry
Area of Composite Shapes
Decomposing Shapes
Formulas
Area of a rectangle = length × width
Area of a right triangle = 1/2 × base × height
Theorems
-
Suitable Grade Level
Grades 6-8
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