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Use a two-dimensional model and the dimensions provided to calculate the circumference and area of the flower. Round to the nearest tenth, if necessary.

To calculate the **circumference** and **area** of the flower, we can treat the flower as a circle since its shape appears circular.

### Given:
- Diameter of the flower \( D = 5 \, \text{in.} \)

#### 1. **Circumference of the Flower**:
The formula for the circumference \( C \) of a circle is:
\[
C = \pi D
\]
Substituting the value of \( D \):
\[
C = \pi \times 5
\]

#### 2. **Area of the Flower**:
The formula for the area \( A \) of a circle is:
\[
A = \pi \left(\frac{D}{2}\right)^2
\]
Substituting the value of \( D = 5 \):
\[
A = \pi \left(\frac{5}{2}\right)^2 = \pi \times \left(2.5\right)^2
\]

Let me now calculate both the circumference and area.### Results:
1. **Circumference**: \( 15.7 \, \text{inches} \)
2. **Area**: \( 19.6 \, \text{square inches} \)

Would you like any further details or have additional questions?

Here are 5 related questions to expand on this topic:
1. How would the area change if the diameter was doubled?
2. Can you calculate the radius if the circumference is known?
3. How would you convert the area from square inches to square centimeters?
4. What would be the circumference if the diameter was 3 inches instead of 5?
5. How do different geometric shapes affect the formula for area and circumference?

**Tip:** Always remember that the diameter is twice the radius, which is helpful for quick conversions in circle calculations.

Learn how to calculate the circumference and area of a circle using the diameter of 5 inches. This geometry problem involves key concepts like the circumference formula (C = πD) and the area formula (A = πr^2). Suitable for students in Grades 6-8.

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