Math Problem Statement
Solution
The problem in the image asks to determine the area of two irregular shapes. These shapes are made up of a combination of rectangles, triangles, and trapezoids. Let me guide you through the process of calculating the area for each of these shapes.
Shape 1 (Left)
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Step 1: Divide the shape into simpler shapes:
- The shape can be split into two rectangles and one triangle.
- A large rectangle at the bottom (8 cm by 5 cm).
- A smaller rectangle on the top left (2 cm by 2 cm).
- A right triangle on the top right with a base of 6 cm and a height of 2 cm.
- The shape can be split into two rectangles and one triangle.
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Step 2: Calculate the area of each part:
- Area of the large rectangle: .
- Area of the small rectangle: .
- Area of the triangle: .
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Step 3: Add the areas:
Shape 2 (Right)
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Step 1: Divide the shape into simpler shapes:
- The shape can be split into two trapezoids.
- A top trapezoid with parallel sides of 4 cm and 2 cm and a height of 2 cm.
- A bottom trapezoid with parallel sides of 8 cm and 4 cm and a height of 5 cm.
- The shape can be split into two trapezoids.
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Step 2: Calculate the area of each trapezoid:
- Area of the top trapezoid: .
- Area of the bottom trapezoid: .
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Step 3: Add the areas:
Final Answer:
- Area of Shape 1:
- Area of Shape 2:
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Math Problem Analysis
Mathematical Concepts
Geometry
Area Calculation
Shapes Decomposition
Formulas
Area of a Rectangle = length × width
Area of a Triangle = 1/2 × base × height
Area of a Trapezoid = 1/2 × (base1 + base2) × height
Theorems
Decomposition of complex shapes into simple geometric figures
Suitable Grade Level
Grades 6-8
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