Math Problem Statement
Solution
The image shows a polygon that has been decomposed into two triangles, and you're asked to find the total area of the shaded polygon. The polygon is on a grid, and we can use the geometry of the triangles to find the solution.
Let's break this down:
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Identify the triangles: The polygon is made up of two right triangles, each with a clear base and height, as they align with the grid.
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Area of a triangle formula: The area of a triangle is given by the formula:
We need to calculate the area of each triangle and add them together to get the total area of the polygon.
Steps to calculate:
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Triangle 1: From the grid, this triangle seems to have a base of 4 units and a height of 2 units.
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Triangle 2: This triangle seems to have a base of 3 units and a height of 4 units.
Total Area:
Thus, the total area of the shaded polygon is 10 square units.
Let me know if you need further clarification or details!
Here are some related questions to deepen your understanding:
- How do you calculate the area of irregular polygons?
- What happens if the triangles in the polygon aren't right triangles?
- How can you verify the area using another method, like counting grid squares?
- How would the area formula change if the triangles were scalene?
- How can you apply the area formula to real-world objects?
Tip: When decomposing shapes into triangles, always check if the triangles are right triangles—it simplifies the calculations!
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Math Problem Analysis
Mathematical Concepts
Geometry
Area of Triangles
Decomposition of Polygons
Formulas
Area of a Triangle = 1/2 × base × height
Theorems
Area calculation using decomposition into triangles
Suitable Grade Level
Grades 6-8
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