What would be the perimeter if the shared side was 14 cm instead of 7 cm?

If the shared side between the two triangles is 14 cm instead of 7 cm, the problem changes slightly.

### Scenario:
- **Two identical triangles** are placed together along one side that measures 14 cm.
- We are assuming the other two sides of each triangle are still 7 cm.

### Composite Figure:
- The perimeter will now consist of:
  - Two sides of the first triangle (each 7 cm).
  - Two sides of the second triangle (each 7 cm).
  - The shared side of 14 cm will not be counted twice.

### Calculation:
- The perimeter can be calculated as follows:

\[
7 + 7 + 7 + 7 + 14 = 42 \text{ cm}
\]

Thus, the perimeter of the composite figure is **42 cm**.

Would you like more details or have any questions?

### Relative Questions:
1. What if the shared side was 21 cm instead of 14 cm?
2. How would the perimeter change if the triangles were placed back-to-back instead of side by side?
3. What would be the perimeter if one of the triangles was scaled up by a factor of 2?
4. How would the perimeter be affected if the triangles were equilateral instead?
5. What is the formula for finding the perimeter of a composite figure

Explore how the perimeter of composite figures changes with different shared side lengths. Learn the calculation for a scenario where two triangles with sides 7 cm share a side length of 14 cm. Includes step-by-step explanation and calculation.

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