Answer:
Option A. 4 radians
Step-by-step explanation:
step 1
Find the circumference of the circle
The circumference is equal to

we have

substitute


step 2
Find the measure of angle 
we know that
The circumference of the circle subtends a central angle of 2π radians
so
using proportion
Find out the central angle by an arc length of 20 cm

You could just put 0 for a and b.
It would work.
Answer:
Science? :)
Step-by-step explanation:
The answer should be 1y and -6y
Answer:
3
Step-by-step explanation:

4*3=12
3*4=12
12/4=3
12/3=4
Hope this helps ;) ❤❤❤