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3. Fill in the missing values in the table below:
Diameter
Circumference
9 ft
25.12 cm
2 points
Circumference
Question 3b Radius; Diameter: ft Circumference:
2 points
2 points
Circumference: 25.12 cm’

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02:55

Circle A has a diameter of 9 inches, a circumference of 28.26 inches, and an area of 63.585 square inches. The diameter of circle B is 5 inches, the circumference is 15.70 inches, and the area is 19.625 square inches..Part A: Using the formula for circumference, solve for the value of pi for each circle. (4 points)Part B: Use the formula for area and solve for the value of pi for each circle. (4 points)Part C: What observation can you make about the value of pi for circles A and B? (2 points)

00:31

Use the indicated lengths to find the circumference and area of each of the following circles. Leave your answers in terms of $\pi$Answer: $c=2 \pi r,$ and so $c=2 \pi(3)=6 \pi$ $a=\pi r^{2},$ and so $a=\pi(3)^{2}=9 \pi$$\overline{\mathrm{AB}} is a diameter.(GRAPH CANT COPY) 02:28 Q1. Suppose the radius of a circle is R = 3. Find the area A and circumference C of a circle with this radius (you can leave the answer in terms of pi).Q2. Suppose the diameter D of a circle is 10. Find the circumference of a circle using a formula that shows the relationship between circumference, diameter, and pi. 00:46 Use the indicated lengths to find the circumference and area of each of the following circles. Leave your answers in terms of \pi$$\overline{\mathrm{OA}}$ is a radius.Answer: $c=2 \pi r$, and so $c=2 \pi(3)=6 \pi$ $a=\pi r^{2},$ and so $a=\pi(3)^{2}=9 \pi$$\overline{\mathrm{OA}}$ is a radius.

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