40 mile radius covers 10 times more than 4 mile radius
Answer:
26.75 or 26.75156923
Step-by-step explanation:
Circumference formula:
C =Лd
Diameter formula:
d=c/Л
Substitute C for 84 and Л for 3.14:
d=84/3.14
Solve for Diameter:
d=26.75
Answer:
a= -12
Step-by-step explanation:
because
Multiply it for all of the area
