ultrafire820 ultrafire820
  • 13-02-2022
  • Mathematics
contestada

The area of a circle is 61.2cm2.
Find the length of the radius rounded to 2 DP.

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-02-2022

Answer:

4.41 cm

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

61.2 = pi r^2

Using 3.14 for pi

61.2 / 3.14 = r^2

19.49044586 = r^2

Take the square root of each side

sqrt( 19.49044586) = sqrt(r^2)

4.414798507 = r

To 2 decimal places

4.41 = r

Answer Link

Otras preguntas

Do all pls 20 points Combine Rationa
PLEASE HELP ME FIND THE ANSWER!!!!
Spatial order describes how things appear on the ground first are both alike and different O look from the observer's eyes taste and smell to the reader
The loss of water in a plant occurs through the ______by the process of _________ A-Roots:Osmosis B-Flower;Evaporation C-Stomata:Transpiration D:Stem:Transpira
In the space below, explain the differences in policies between President Reagan and President Clinton. How did each of their policies reflect the needs and des
Please help...thanks
Need help please????????????????!!!!!!!!!!!!!
Do your thing genius's.
Use 3 words to describe collaborative work in your experience.
[tex]3x^{2}+5x+2[/tex]