gstewart66 gstewart66
  • 25-02-2021
  • Mathematics
contestada

How do you work out the radius of a circle from its area ?

Respuesta :

shane80252 shane80252
  • 25-02-2021

Answer:

u divide the area by 3.14

Step-by-step explanation:

it reverses the area

Answer Link
jstrick592
jstrick592 jstrick592
  • 25-02-2021
area of circle:

A = pi(r)^2

to solve for r radius, first divide both sides by pi:
A/pi = r^2

then sq root both sides:
sq root(A/pi) = r

so if you were given the area of a circle, divide the area by pi then find the square root to find the radius
Answer Link

Otras preguntas

Rewrite 30/6 as a whole number
The distance from the library to the park is 0.7 kilometers. how many meters is this?
Who was the king of Mali , that appears at the center of an ancient map I need help fast please ..........
what is the answer (10 subtract 2)2+(5+16 subtract 2)
I don't have ruler for inch what do I do???? please help!
Imagine you read a news article about state governments. It says they should have more powers. The writer says the federal government exists to serve the states
Call me Ishmael. Some years ago—never mind how long precisely—having little or no money in my purse, and nothing particular to interest me on shore, I thought I
Write a compound inequality to represent all of the numbers between -4 and 6.
What is four something four something four something four something that equals 12?
is it possible to die of boredom?