The image you provided appears to be a math worksheet with a geometric figure and some text instructions. The task involves calculating the area of a specific shape, which seems to be a combination of triangles and possibly other polygons. Below is a detailed explanation of how to solve the problem:
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Step 1: Understand the Problem
The image shows a grid with a shaded region composed of several triangles. The goal is to calculate the total area of the shaded region.
Step 2: Break Down the Shaded Region
From the image, the shaded region can be divided into smaller, simpler shapes (triangles) for easier calculation. Each triangle's base and height can be determined using the grid lines.
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Identify the Triangles:
- The shaded region consists of multiple triangles.
- Each triangle's base and height can be measured in grid units.
Step 3: Use the Formula for the Area of a Triangle
The formula for the area of a triangle is:
\[
\text{Area} = \frac{1}{2} \times \text{base} \times \text{height}
\]
Step 4: Calculate the Area of Each Triangle
Let's assume the grid lines represent units (e.g., each square on the grid is 1 unit by 1 unit). We will calculate the area of each triangle individually.
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Triangle 1:
- Base = 4 units
- Height = 3 units
\[
\text{Area}_1 = \frac{1}{2} \times 4 \times 3 = 6 \text{ square units}
\]
####
Triangle 2:
- Base = 3 units
- Height = 2 units
\[
\text{Area}_2 = \frac{1}{2} \times 3 \times 2 = 3 \text{ square units}
\]
####
Triangle 3:
- Base = 2 units
- Height = 4 units
\[
\text{Area}_3 = \frac{1}{2} \times 2 \times 4 = 4 \text{ square units}
\]
####
Triangle 4:
- Base = 5 units
- Height = 2 units
\[
\text{Area}_4 = \frac{1}{2} \times 5 \times 2 = 5 \text{ square units}
\]
Step 5: Sum the Areas of All Triangles
Add the areas of all the triangles to get the total area of the shaded region:
\[
\text{Total Area} = \text{Area}_1 + \text{Area}_2 + \text{Area}_3 + \text{Area}_4
\]
\[
\text{Total Area} = 6 + 3 + 4 + 5 = 18 \text{ square units}
\]
Final Answer:
\[
\boxed{18}
\]
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Explanation:
1.
Breaking Down the Shape: The shaded region was divided into simpler shapes (triangles) to make the calculation manageable.
2.
Using the Formula: The area of each triangle was calculated using the standard formula for the area of a triangle.
3.
Summing Up: The areas of all the triangles were added together to find the total area of the shaded region.
This method ensures accuracy and clarity in solving the problem. If the grid or dimensions are different, the same approach can be applied by adjusting the base and height values accordingly.
Parent Tip: Review the logic above to help your child master the concept of get the point math worksheet.