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➷ The formula for area of a circle is:
![\pi r^2](https://img.qammunity.org/2020/formulas/mathematics/middle-school/69e2ijkvwardlu2n5rrgtkpqc3b44mcw34.png)
The radius is half the diameter.
18/2 = 9
Substitute:
![(3.14) (9)^2](https://img.qammunity.org/2020/formulas/mathematics/middle-school/eh0a3vb9r996105x5sueau85hc2oouhgb1.png)
The approximate area = 254.34
![cm^2](https://img.qammunity.org/2020/formulas/mathematics/middle-school/s2nakjh21x239bgor6au7ofhpcywd28thn.png)
➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
↬ ʜᴀɴɴᴀʜ ♡