Calculating the Area of a Circle Quiz

Circumference = $\frac{1}{2}$ Diameter

Circumference = $\pi$ Diameter

Circumference = Diameter

Circumference = $2\pi$ Diameter (correct)

$A = 2 \pi r$

$A = \frac{1}{2} \pi r^2$

$A = \frac{1}{2} \pi r$

$A = \pi r^2$ (correct)

$50\pi cm^2$

$200\pi cm^2$

$100\pi cm^2$ (correct)

$25\pi cm^2$

<p>$49\pi in^2$</p> Signup and view all the answers

<p>$\pi$ represents the ratio of circumference to diameter</p> Signup and view all the answers