Answer:
Arc length is equal to
where
is the angle in radians and
is the radius.
Question 1:

So the angle is CFD.
Question 2:

So the angle is AFE.
Question 3:

So the angle is AFB.
Question 4:

So the angle is BFC.
i cant put a link but i looked up "51 in base 5"
and got 201
Answer:
11+k=29
Step-by-step explanation:
So "more than" means addition.
let's solve this for fun
11 + k =29
k = 29-11
k= 18
Answer:
A
Step-by-step explanation:
|-20| = 20 the positive value of -20
20 is not < 20 so A is false
All the rest are true
(B) |9| = 9
(C) |-20| = 20 > 9
(D) |9| = 9, |20| = 20 and 9 < 20
A rombus
has 1 set of parallel lines