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To solve this problem, we need to calculate the remaining volume of water in a container after using 200 glasses of water.

### Information from the problem:
- The shape of each glass is cylindrical.
- Dimensions of the glass:
  - Height \( h = 7 \, \text{cm} \)
  - Diameter of the base \( d = 6 \, \text{cm} \) (thus radius \( r = 3 \, \text{cm} \))
- Formula for the volume of a cylinder is given as \( V = \pi r^2 h \).
- You are asked to use \( \pi = \frac{22}{7} \).

Let's proceed with the calculations:
1. **Calculate the volume of one glass** using the formula for the volume of a cylinder.
2. **Multiply this volume by 200** to get the total water used.
3. Subtract this from the total volume of water in the container (assuming the container's initial volume is known or provided separately).

Let me calculate step 1 and 2 for you.

### Step 1: Volume of one glass

\[
V_{\text{glass}} = \pi r^2 h = \frac{22}{7} \times 3^2 \times 7
\]

Now, I will calculate the volume.The volume of one glass is \( 198 \, \text{cm}^3 \).

### Step 2: Total water used

Since 200 glasses of water are used:

\[
\text{Total water used} = 200 \times 198 = 39600 \, \text{cm}^3
\]

If the total volume of the container is given, we can now calculate the remaining volume by subtracting the total water used. Could you provide the total volume of the container, or do you need help determining that?

Let me know if you want further details, or if you have any questions! Here are some related questions:

1. What is the relationship between radius and diameter in a circle?
2. How does changing the height affect the volume of a cylinder?
3. Why do we approximate \(\pi\) as \( \frac{22}{7} \) in some calculations?
4. How would the volume calculation change if the shape was a cone instead of a cylinder?
5. Can you think of other real-world examples where the cylinder volume formula is used?

**Tip**: Always remember to check if all measurements are in the same unit when doing volume calculations!

Air minuman telah diisi penuh ke dalam bekas air tersebut. 200 gelas air minuman seperti rajah di bawah telah digunakan. Berapakah baki air minuman dalam bekas air tersebut? (Gunakan π = 22/7, rumus isi padu silinder = πr²h)

Solve the problem of calculating the remaining water in a container after using 200 glasses of water, each shaped like a cylinder with a height of 7 cm and a radius of 3 cm. Use the cylinder volume formula V = πr²h and π = 22/7 for accurate calculations.

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