popcornyay4
popcornyay4 popcornyay4
  • 20-09-2020
  • Mathematics
contestada

find the circumference of a button with a radius of 21 mm use 3.14 for
[tex]\pi[/tex]
​

Respuesta :

janet381 janet381
  • 20-09-2020

Step-by-step explanation:

Cirumference=2πr

Radius = 21mm

π=22/7 or 3.17

2x22/7x21

42x3=126/3.14 =40.12

Answer Link

Otras preguntas

P and Q are two points on the line x - y + 1 = 0 and are at distance 5 from the origin. Find the area of the triangle OPQ. ​
PLEASE HELP. WILL GIVE BRAINLIEST IF CORRECT ​
Please help : Braddock states he knows what he is fighting for. Identify what it is he is fighting for. What does this reveal about the era in which he lived co
A path 1 m wide is build around a garden that is a 30-meter square. What is the area taken by the path?
helppp please i’m really confused please please
A regular pentagon has an apothem measuring 20 cm and a perimeter of 145. 3 cm. A rectangular pentagon has an apothem measuring 20 centimeters and a perimeter o
Use the analogy that a four-dimensional array is like a shelf of books. Which part of the analogy does 2 refer to in myData[2][4][6][7]?\
Gwen is investigating a security incident. She discovered evidence that the attacker obtained a sensitive file and sent it to a cloud service. What stage of the
Which substances may pass through a cell membrane by simple diffusion?.
3. Which was the most important part of the context in which the change shown in the chart was occurring? (A) The Enlightnment was influencing how Europeans tho