I need edging for a perimeter of 14m. But it comes in 1800mm. How many lengths will I need to buy? 

To find out how many lengths of edging you need, follow these steps:

1. **Convert the length of each edging piece to meters**:
   - 1800 mm = 1.8 meters.

2. **Divide the total perimeter by the length of each piece**:
   - \( \frac{14 \, \text{m}}{1.8 \, \text{m}} \approx 7.78 \).

3. Since you can't buy a fraction of a piece, you'll need to round up to the nearest whole number. So, you will need **8 lengths** of edging.

Would you like more details on this calculation or any related concepts?

Here are some related questions:
1. How do I calculate the perimeter for different shapes?
2. What if the edging length is in a different unit, like centimeters?
3. Can I calculate the cost based on the number of lengths I need?
4. How do I measure irregular shapes for perimeter?
5. How do you handle a situation where pieces have to overlap?

**Tip:** When purchasing materials, it's often helpful to buy a bit extra to account for errors or adjustments.

I need edging for a perimeter of 14m. But it comes in 1800mm. How many lengths will I need to buy?

Learn how to calculate the number of lengths of edging needed for a 14m perimeter when each piece is 1800mm (1.8 meters). Follow a simple process involving unit conversion, division, and rounding. Perfect for students in Grades 4-6.

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