Find the circumference and the area of a circle with diameter

5yd
.
Use the value
3.14
for
π
, and do not round your answers. Be sure to include the correct units in your answers.

7 answers

C = pi * d

A = pi * r^2

Just plug in the numbers.

I'll be glad to check your answers.
c= 15.7yd
a= 31.4yd^2
The circumference is correct, but the area is wrong.

Did you use 2.5 for the radius? Did you square it?
a=61.62
A = 3.14 * 2.5^2
A = 3.14 * 6.25
A = ?
thank you!
You're welcome.