Bro, pleassseee help me out

Answer:
Yes for both.
Step-by-step explanation:
Remeber that the diameter of a circle is two times the radius of it.
17 x 2
= 34
The circumference of a circle can be solved with the equation 2πr:
= 2π(17)
= 106.81...
Therefore the circumference of the circle is roughly 107cm.