i dont know if it’s correct plz help

Answer: pie multiplied by the diameter divided by two
Step-by-step explanation:
The diameter is half the radius (line in the middle) I cant solve it because there is no circle in the picture
Answer:
So, D.) 314 cm^2
Step-by-step explanation:
[tex]diameter \: (d) = 20cm \\ radius \: (r) = \frac{diameter}{2} \\ = \frac{20}{2} \\ \\ r = 10cm[/tex]
Area of Circle
[tex] = \pi \: r {}^{2} \\ = 3.14 \times 10 \times 10 \\ = 314cm {}^{2} [/tex]