Answer:
Here the answer LOL
Step-by-step explanation:
Answer:
:) :D
Step-by-step explanation:
Answer:

Step-by-step explanation:
We have,
Radius of the circle is 12 cm
Arc length, l = 21 cm
It is required to find the central angle of the circle. The formula for the length of an arc of a circle is :

is central angle

So, the angle at the centre of the circle is
.
Answer:
4:1
Step-by-step explanation:
Answer:
the answer is b and you can help by being my girl friend
Step-by-step explanation: