Question

find the area and the circumference of a circle with radius 3 ft. use the value 3.14 for π, and do not round your answers. be sure to include the correct units in your answers. area: circumference:

Explanation:

Step1: Recall area formula

The formula for the area of a circle is $A = \pi r^{2}$, where $r = 3$ ft and $\pi=3.14$.
$A=3.14\times3^{2}$

Step2: Calculate the area

$A = 3.14\times9=28.26$ square - feet.

Step3: Recall circumference formula

The formula for the circumference of a circle is $C = 2\pi r$, with $r = 3$ ft and $\pi = 3.14$.
$C=2\times3.14\times3$

Step4: Calculate the circumference

$C = 18.84$ feet.

Answer:

Area: $28.26$ ft²
Circumference: $18.84$ ft