Answer:
First you find the radius R
We have, circumference = 2*3.14*R = 31.4
=> R =31.4/(2*3.14) =5
We have , area = 3.14*R^2 = 3.14*5^2 = 78.5
Step-by-step explanation:
Here we use pi =3.14.
Answer:
I would model and record finding the sum and difference of two rocks by calculating the weight and pound and it will be equal to the mass of that rock.
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
This is based on the 1500 adults answering the question, but because there are over 300 million in the US, they would need to survey more to make it more logical and valid
Answer: lol i used to take this i'm so sorry i forgot it.
Step-by-step explanation: