The scale factor is 30, since the size of the was increased by 30 times
Answer: 30:1
Answer:
option 1
Step-by-step explanation:
step 1
Find the arc length of the complete circle
The circumference of the circle ios given by

we have

substitute


step 2
Find the arc length for a sector with a cenytral angle of 30 degrees
we know that
The complete circle subtends a central angle of 360 degrees
so
using proportion

Answer:
Step-by-step explanation:
im on the same one
sorry i couldent help