Math Problem Statement
separate the shape into two shapes then find area of the composite shape.
Solution
To find the area of the composite shape in the image, we will separate it into two simpler shapes: a rectangle and a right triangle.
Step-by-Step Solution:
-
Identify the two shapes:
- Rectangle: The base of the shape is a rectangle.
- Right Triangle: The upper portion of the shape forms a right triangle.
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Dimensions of the Rectangle:
- Length:
- Width:
The area of the rectangle is given by:
-
Dimensions of the Right Triangle:
- Base: (the horizontal distance on the top right)
- Height: (the vertical distance)
The area of the right triangle is given by:
-
Calculate the total area of the composite shape:
Conclusion:
The area of the composite shape is 220 square millimeters.
Would you like more details or have any questions?
Related Questions:
- How would you calculate the perimeter of the composite shape?
- What is the difference in area if the dimensions of the rectangle are doubled?
- How can you determine the hypotenuse of the right triangle using the given dimensions?
- How does the shape change if the triangle's base is reduced by half?
- How would the area change if the shape were scaled by a factor of 2?
Tip:
To simplify calculations, always separate complex shapes into basic geometric figures like rectangles, triangles, and circles. This makes it easier to compute areas and other properties.
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Math Problem Analysis
Mathematical Concepts
Geometry
Composite Shapes
Rectangle
Right Triangle
Formulas
Area of Rectangle: length × width
Area of Right Triangle: 1/2 × base × height
Theorems
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Suitable Grade Level
Grades 6-8
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