Answer:
1; 180
2: 180
3:155
Step-by-step explanation:

It approximately the answer (17) if rounded
11/12 i believe that is the answer
Answer:
Step-by-step explanation:
Answer:
π
Step-by-step explanation:
Formula for the circumference of a circle
2r(π)
Area of a circle
πr²
2r(π)=x
x/2(π)=r
π(x/2(π))²=Area
π(x²/4(π)²)=Area
(x²/4(π))=Area
(15π)²÷4π=Area
π