https://file.aiquickdraw.com/mathbot/file/1725792349137ov3v9rbz.jpg

To solve this problem, we need to calculate the perimeter of the two small rectangles, labeled as "rectangle B" and "rectangle C" in the image.

### Step-by-step solution:

1. **Identify the dimensions of rectangles B and C:**
   - **Rectangle B:**
     - Width: 4 cm (as given in the image)
     - Height: 6 cm (same as the height of rectangle A)

   - **Rectangle C:**
     - Width: 4 cm (as given in the image)
     - Height: 9 cm (it shares the full vertical side with rectangles A and B)

2. **Calculate the perimeter of each rectangle:**
   - The formula for the perimeter of a rectangle is:  
     \[
     \text{Perimeter} = 2 \times (\text{Length} + \text{Width})
     \]

   - **Perimeter of Rectangle B:**
     \[
     \text{Perimeter}_B = 2 \times (4 \, \text{cm} + 6 \, \text{cm}) = 2 \times 10 \, \text{cm} = 20 \, \text{cm}
     \]

   - **Perimeter of Rectangle C:**
     \[
     \text{Perimeter}_C = 2 \times (4 \, \text{cm} + 9 \, \text{cm}) = 2 \times 13 \, \text{cm} = 26 \, \text{cm}
     \]

3. **Calculate the total perimeter of the two small rectangles:**
   \[
   \text{Total Perimeter} = \text{Perimeter}_B + \text{Perimeter}_C = 20 \, \text{cm} + 26 \, \text{cm} = 46 \, \text{cm}
   \]

### Conclusion:
The perimeter of the two small rectangles (B and C) is **46 cm**.

Would you like more details, or do you have any questions?

### Related Questions:
1. What is the area of each rectangle (B and C)?
2. How would you calculate the perimeter of all three rectangles (A, B, and C)?
3. What would be the perimeter if the rectangles were stacked vertically instead?
4. Can you find the area of the entire shape formed by the three rectangles together?
5. How do different arrangements of these rectangles affect their combined perimeter?

### Tip:
When calculating the perimeter of combined shapes, remember to account for any sides that overlap or are shared between shapes.

What is the perimeter of the two small rectangles?

Learn how to calculate the perimeter of two small rectangles (B and C) using geometry. This problem involves calculating the perimeter of individual rectangles and adding them. Perfect for students in Grades 5-7.

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