Answer: 1/2
Step-by-step explanation:
Circumference is equal to 2πr. Now, if the circumference itself is equal to pi, then the equation becomes the following:
π = 2πr
Divide both sides by pi:
1 = 2r
Divide both sides by 2:
r = 1/2
-3 - -7 and that over 2 I believe
4/5*6=4,this is your answer.
3/4*5=3 3/4,this is also your answer.
Hope this helps