Area=pir^2
diameter/2=radius
diameter=9
d/2=9/2=4.5=r
area=pi4.5^2
area=pi20.25
aproxpi=3.14
area=63.585
round hundreth
area=63.59
answer is 63.59cm^2
Answer:

Step-by-step explanation:
We have a similarity of triangles. Once the side BC and ED are parallel,


Once 




The answer is Hundredths place
(x-3)^2 + (y-5)^2 = 74
Radius is about 8.602
Answer:
$2880
Step-by-step explanation:
I = Prt
= $3600·8%·10 = 0.80·$3600 = $2880
The simple interest on $3600 over a 10-year period is $2880.