Question

Please help me, I don’t understand Pi.

Answer 1

1. C

2. G

3. E

4. B

Explanation:

1. The formula for the circumference is 2
`\pi`r. 2
`\pi`1.4 ≈ 8.8

2. The diameter is two times the radius. 2
`\pi`r. 2
`\pi`2.6 ≈ 8.2

3. The diameter is two times the radius. 2
`\pi`4.75 ≈ 29.7

4. The diameter is two times the radius. 2
`\pi`4.2 ≈ 26.4