Question

1. are the distances of 220 feet and 126 feet the radii, diameters, or circumferences of the two circles?2. what is the radius of the circle made by Ana's brother in the blue car? Use 3.14 for piπ and round your anwser to the nearest tenth. show ur work.what is the radius of the circle made by Ana's sister in the green car? Use 3.14 for piπ and round your answer to the nearest tenth. show ur workwhat is the difference between in the radii od the circles?

Answer 1

1. The distance 220 feets and 126 feets are the circumference of the circle.

2.

Radius of the circle made by the blue car can be calculated below

`\begin{gathered} \text{circumference}=2\pi r \\ \text{circumference}=220\text{ f}eets \\ \pi=3.14 \\ \text{circumference}=2*3.14* r \\ 220=6.28r \\ r=(220)/(6.28) \\ r=35.0318471338 \\ r\approx35.0\text{ f}eets \end{gathered}`

Radius of the circle made by the green car

`\begin{gathered} \text{circumference}=2\pi r \\ 126=2*3.14* r \\ 126=6.28r \\ r=(126)/(6.28) \\ r=20.0636942675 \\ r\approx20.1\text{ feet} \end{gathered}`

3. The differences between the radii is

`\begin{gathered} \text{difference}=\text{blue car radius- gre}en\text{ car radius} \\ \text{difference}=35.0-20.1 \\ \text{difference}=\text{ }14.9\text{ fe}et \end{gathered}`