4) Find the area of the composite shape. y4 |A E |B

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
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**4) Find the area of the composite shape.**

The image shows a composite shape plotted on a Cartesian coordinate grid. The axes are labeled \(x\) and \(y\) with the origin point labeled \(O\). The shape is composed of a combination of linear and curved segments, specifically:

- It consists of a rectangle, a triangle, and half a circle.

**Points and Segments:**

- Point \(O\) is at the origin.
- Point \(A\) is located 6 units up the \(y\) axis from the origin.
- Point \(B\) is located 6 units to the right and 2 units up along the \(x\) and \(y\) axes respectively from the origin.
- Point \(C\) is located 6 units to the right along the \(x\) axis and is on the same horizontal line as with \(B\).
- Point \(D\) is located 4 units down from the origin on the negative \(y\) axis.
- Point \(E\) is joined to point \(D\) in a curved manner, forming the semicircle end of the shape, and is horizontally in line with \(C\).
- Point \(F\) is located 4 units up on the \(y\) axis from the point of intersection of the semicircle and forms a right angle triangle with points \(A\) and \(C\).

**Steps to find the area:**

1. **Rectangle Calculation**: 
    - Identify the length and width of the rectangle.
    - The rectangle is made by the points \(O, C, F, E\). Using the coordinate grid, the length of the rectangle along the \(x\)-axis is 6 units, and the height along the \(y\)-axis is 4 units.
    - Area = Length × Width = 6 units × 4 units = 24 square units.

2. **Right Triangle Calculation**:
    - Identify the base and height of the right triangle \(\triangle ACB\).
    - Using the coordinate grid, the base is 6 units along the \(x\) axis, and the height is 4 units along the \(y\) axis.
    - Area = \(\frac{1}{2} \times Base \times Height\) = \(\frac{1}{2} \times 6 \text{ units} \times
Transcribed Image Text:**4) Find the area of the composite shape.** The image shows a composite shape plotted on a Cartesian coordinate grid. The axes are labeled \(x\) and \(y\) with the origin point labeled \(O\). The shape is composed of a combination of linear and curved segments, specifically: - It consists of a rectangle, a triangle, and half a circle. **Points and Segments:** - Point \(O\) is at the origin. - Point \(A\) is located 6 units up the \(y\) axis from the origin. - Point \(B\) is located 6 units to the right and 2 units up along the \(x\) and \(y\) axes respectively from the origin. - Point \(C\) is located 6 units to the right along the \(x\) axis and is on the same horizontal line as with \(B\). - Point \(D\) is located 4 units down from the origin on the negative \(y\) axis. - Point \(E\) is joined to point \(D\) in a curved manner, forming the semicircle end of the shape, and is horizontally in line with \(C\). - Point \(F\) is located 4 units up on the \(y\) axis from the point of intersection of the semicircle and forms a right angle triangle with points \(A\) and \(C\). **Steps to find the area:** 1. **Rectangle Calculation**: - Identify the length and width of the rectangle. - The rectangle is made by the points \(O, C, F, E\). Using the coordinate grid, the length of the rectangle along the \(x\)-axis is 6 units, and the height along the \(y\)-axis is 4 units. - Area = Length × Width = 6 units × 4 units = 24 square units. 2. **Right Triangle Calculation**: - Identify the base and height of the right triangle \(\triangle ACB\). - Using the coordinate grid, the base is 6 units along the \(x\) axis, and the height is 4 units along the \(y\) axis. - Area = \(\frac{1}{2} \times Base \times Height\) = \(\frac{1}{2} \times 6 \text{ units} \times
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