Math Problem Statement
resolver los problemas
Solution
Let's go through the problems shown in the image and solve them step by step.
Problem 1: Perimeter of the Figure
The first problem asks for the perimeter of the given figure, which is a composite shape made up of rectangles.
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Identify the sides:
- The sides of the figure are given as:
- Horizontal sides:
- Vertical sides:
- The sides of the figure are given as:
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Calculate the perimeter:
- Perimeter is the sum of all the outer sides of the figure.
The perimeter is calculated as:
Solution: The perimeter of the figure is .
Problem 2: Area of the Figure
The second problem involves determining the area of a figure composed of different shapes.
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Decompose the figure into simpler shapes:
- The figure can be decomposed into a rectangle (A1) and a trapezoid (A2).
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Calculate the area of each part:
- Area of the Rectangle (A1):
- Base
- Height
- Area of the Trapezoid (A2):
- Bases: and
- Height
- Area of the Rectangle (A1):
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Sum the areas to find the total area:
Solution: The total area of the figure is .
Would you like more details or have any questions about these solutions? Here are some related questions for further practice:
- How would the perimeter change if one of the vertical sides was increased by 2 cm?
- How do you calculate the area of a figure if one of the shapes is a circle?
- What is the perimeter of a similar figure where each dimension is doubled?
- How does the area of the trapezoid change if the height is halved?
- Can you describe how the shape would look if the trapezoid were replaced by a triangle?
Tip: When dealing with composite figures, breaking them down into simpler shapes like rectangles, triangles, and trapezoids makes calculating area and perimeter much easier.
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Math Problem Analysis
Mathematical Concepts
Geometry
Perimeter
Area
Composite Figures
Formulas
Perimeter of a polygon
Area of a rectangle
Area of a trapezoid
Theorems
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Suitable Grade Level
Grades 6-8
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