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how many triangles represent 20% of the whole$$  $$

To determine how many triangles represent 20% of the whole, we need to follow these steps:

1. Count the total number of triangles in the given figure.
2. Calculate 20% of the total number of triangles.

First, let's count the triangles in the provided image. The image shows a grid of triangles arranged in a rectangular pattern.

From the image, we can see there are 4 rows and 5 columns of triangles, giving us a total of:

\[ \text{Total number of triangles} = 4 \times 5 = 20 \]

Next, we need to find 20% of the total number of triangles:

\[ \text{Number of triangles representing 20%} = 0.20 \times 20 = 4 \]

Therefore, 4 triangles represent 20% of the whole.

Would you like more details or have any other questions?

Here are some related questions for further exploration:

1. What is 50% of the total number of triangles?
2. How many triangles represent 10% of the total?
3. What is 75% of the total number of triangles?
4. If the number of triangles was doubled, what would 20% be?
5. How many triangles represent 5% of the total?
6. What is the total percentage represented by 6 triangles?
7. If one triangle is removed, what percentage does 19 triangles represent?
8. How many triangles would represent 30% of the total?

**Tip:** When dealing with percentages, always convert the percentage to a decimal before multiplying with the total quantity. For example, 20% becomes 0.20.

Discover how to calculate 20% of the total number of triangles in a grid pattern. This math problem involves counting triangles and applying basic percentage calculations. Suitable for students in Grades 4-6.

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