theboss40 theboss40

25-08-2018
Mathematics

contestada

What is the radius of a circle with an area o 32.1 square feet?

Relax

Respuesta :

jdoe0001 jdoe0001

25-08-2018

[tex] \bf \textit{area of a circle}\\\\
A=\pi r^2~~
\begin{cases}
r=radius\\[-0.5em]
\hrulefill\\
A=32.1
\end{cases}\implies 32.1=\pi r^2\implies \cfrac{32.1}{\pi }=r
\\\\\\
\sqrt{\cfrac{32.1}{\pi }}=r\implies 3.19652113187\approx r [/tex]

Answer Link

Otras preguntas

what were some characteristics of Aryan culture ?

Forty tickets are sold for a raffle with two prizes. You buy two tickets. What is the probability that you will win both prizes?

why did andrew jackson want the indians to leave their tribes

Mr. Walton ordered 12 pizzas for the art class celebrattion. one fourth of the pizzas had only mushrooms. how many of the pizzas had only mushrroms?

What is a deep valley with steep steps

While traveling along a highway a driver slows from 24 m/sec to 15 m/sec in 12 seconds. What is the automobile’s acceleration?

True or false. Thomas Edison created the light bulb?

3m(2m+9)=0 what is the factor of m

what was the main goal of European explorers in the 1500s?

write a whole number and a fraction greater than 1 to name the part filled. think: 1 container= 1