The radius of a circle is 9 yd. Answer the parts below. Make sure that you use the correct units in your answers.
If necessary, refer to the list of geometry formulas.
9 yd
(a) Find the exact area and circumference of the circle. Write your answers in
terms of .
Olo
JT
yd
Exact area:
Exact circumference:
yd
yd
x
3
?
(b) Approximate the area and circumference of the circle. To do the
approximations, use the n button on the ALEKS calculator and round your
answers to the nearest hundredth.
Approximate area:
.
Approximate circumference:
Check
Check
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