contestada

In which of the following circles are the values of the area and circumference the same? Approximate Π as 3.14.

a circle with a radius of 2 feet
a circle with a diameter of 2 feet
a circle with a radius of 4 feet
a circle with a diameter of 1 foot

Respuesta :

WojtekR
We know that:

[tex]A = \pi r^2[/tex]

and

[tex]C=2\pi r[/tex]

so:

[tex]A=C\\\\\pi r^2=2\pi r\qquad|:\pi\\\\r^2=2r\qquad|:r\\\\\boxed{r=2}[/tex]

It is true when radius = 2 units, so correct answer is:

A) a circle with a radius of 2 feet.

Answer:

Circle with a radius of 2 feet

Step-by-step explanation:

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