Answer:
Diameter = 14 cm
Circumference = 44 cm
Step-by-step explanation:
- Area of circle = πr²
- Diameter = 2r
- Circumference = 2πr = πd
- π ≈ 3.142
![\pi {r}^{2} = 154 \\ {r}^{2} = \frac{154}{\pi} \\ r = \sqrt{ \frac{154}{\pi} } \: cm](https://tex.z-dn.net/?f=%5Cpi%20%20%7Br%7D%5E%7B2%7D%20%20%3D%20154%20%5C%5C%20%20%7Br%7D%5E%7B2%7D%20%3D%20%20%5Cfrac%7B154%7D%7B%5Cpi%7D%20%20%5C%5C%20r%20%3D%20%20%20%5Csqrt%7B%20%5Cfrac%7B154%7D%7B%5Cpi%7D%20%7D%20%20%5C%3A%20cm)
![Diameter = 2r \\ = 2 \sqrt{ \frac{154}{3.142} } \\ ≈ 14 \: cm](https://tex.z-dn.net/?f=Diameter%20%3D%202r%20%5C%5C%20%20%3D%202%20%5Csqrt%7B%20%5Cfrac%7B154%7D%7B3.142%7D%20%7D%20%20%5C%5C%20%20%20%E2%89%88%2014%20%5C%3A%20cm)
![Circumference = πd \\ = 14\pi \\ = 14 \times 3.142 \\ = 43.988 \\ ≈ 44 \: cm](https://tex.z-dn.net/?f=Circumference%20%3D%20%CF%80d%20%5C%5C%20%20%3D%2014%5Cpi%20%5C%5C%20%20%3D%2014%20%5Ctimes%203.142%20%5C%5C%20%20%3D%2043.988%20%5C%5C%20%E2%89%88%2044%20%5C%3A%20cm)
C because its true and its 6x+4-2 which gets c
Answer:
C is correct
Step-by-step explanation:
Answer:
easy the answer is : ........
29
Answer:
C
Step-by-step explanation: