Answer:
34 is the answer
Step-by-step explanation:
Circumfrence: pi times diameter
7.9*

circumfrence is approximatley 24.806
area:

a=

*(1/2(d))^2
a= 48.99
Answer:
a
Step-by-step explanation:
a
Answer:
Negative line
Step-by-step explanation:
Going up is positive (think in going uphill)
Going down is negative