ultrafire820 ultrafire820

13-02-2022
Mathematics

contestada

The area of a circle is 30.8m2.
Find the length of the diameter rounded to 1 DP.

Respuesta :

saltedpasta saltedpasta

13-02-2022

Area of a circle = pi • r^2

We need to isolate for r.

A/pi = r^2

r = sqrt(A/pi)

r = sqrt(30.8/pi)

r = 3.1311251164

Diameter = 2r

Diameter = 6.26225023

Diameter = 6.3 m

Answer Link

Otras preguntas

What are the three computer components that hold a dangerous amounts of electricity? Even when it’s unplugged.

PLEASEEE HELPPP!! Using the sheet music example above, please name the parts: ________________________ ________________________ What is this LINE of music ca

if the equation of a function is a rational experssion the function is a rational

How was Japan easily able to defeat China in the Sino-Japanese War? • Japan's military was better trained and equipped. • China surrendered quickly. O China had

The author of code talkers"" supports the idea that the code talkers were essential to america’s war effort by:.

If cos(x) = Three-fourths and tan(x) < 0, what is cos(2x)? Negative StartFraction 3 StartRoot 7 EndRoot Over 8 EndFraction Negative StartFraction 1 Over 8 En

I need help with this

Consider the reaction below. C₂H4(g) + H₂(g) → C₂H6(g)

the pieces of ice float on water why

A bakery sold 27 mocha cupcakes in a day, which was 9% of the total number of cupcakes sold that day. How many total cupcakes did the bakery sell that day?