The answer is 30.
You need to use sine here
So:
Answer:
search up-area of circle formula and circumference of a circle formula
Step-by-step explanation:
Answer:
3
*if you ever need to do more math like this, I suggest using desmos :)
The distributive property: a(b - c) = ab - ac
27 - 18r = 9·3 - 9·2r = 9(3 - 2r)
