Circumference is 2πr so you subsitute for r also the radius with 10 so you get 20π as the diameter
Answer:
I think its 245 but i'm not sure
Step-by-step explanation:
Answer:
Step-by-step explanation:
Hello,
You can list the following ones which are correct for a), b) and c)

Thanks
<h3>
Answer:</h3>

<h3>
Explanation:</h3>
Represent the sentence mathematically. 
Distribute. 
Add 6 on both sides. 
Divide both sides by 2. 
Answer
no number from the following list can be expressed as the sum of three squares: 7, 15, 23, 31, 39, 47, ect... so only once
Step-by-step explanation:
nono dont touch me there this is my nono square