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

Answer:
2/7<4/5<5/6<7/9
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
hope this helped :D
Answer:
-7
Step-by-step explanation:
there is nothing to explain but anyways
-4 - 3 = -7