savvaandreou121 savvaandreou121
  • 01-05-2020
  • Mathematics
contestada

work out the circumference of a circle with radius of 7.5cm. Taki Pi to be 3.142

Respuesta :

altavistard
altavistard altavistard
  • 01-05-2020

Answer:

C = 47.1 cm

Step-by-step explanation:

Here C = 2*pi*r.  Replacing pi with 3.142 and r with 7.2 cm, we get:

C = 2(3.142)(7.5 cm) = 47.13.  Note that because r is given to 1 decimal place, your area should be expressed to 1 decimal place also:  C = 47.1 cm

Answer Link

Otras preguntas

What are three equivalent ratios for 5:45?
a rectangular floor is 12 feet wide and 18 feet long. How much will it cost to carpet the floor if the carpet cost $1.39 per square foot?
made up of 100 members 2 from each state
Anna makes hand-painted plates. Her overhead cost are $750 per week, and she pays an additional $10 per plate in material cost. If Anna sells the plates for $25
Mao Zedong led the ___ on the Long March. a. Nationalist Party b. People's Liberation Army c. New Life Movement d. People's Republic of China Army
3x+2y=11 2x+5y=22 help ?
how can solar power be tested? what meterials will you need?
i need to create a story in spanish kind of like a kids book! i need topic ideas! the requirements are to use the preterite present and imperfect! Any topic id
During the 1920s, how did credit card debt play a role in causing the Great Depression?
1/3 square root of 343