kayleesjr kayleesjr
  • 10-05-2019
  • Mathematics
contestada

Find the area of a circle with a circumference of 31.42 centimeters.

Respuesta :

djjpisawesome djjpisawesome
  • 10-05-2019

Answer:

A≈78.56cm²

Hope this helps you out!

Answer Link
jennasysmcmeniman
jennasysmcmeniman jennasysmcmeniman
  • 10-05-2019

c = 2(pi)r = 31.42cm

2(3.14)r = 31.42cm

6.28r = 31.42cm

r = 31.42cm / 6.28

r = 5cm

A = (pi)r^2

= (3.14) (5)^2

5x5 = 25cm

25x3.14= 78.5cm

the area equals 78.5cm

Answer Link

Otras preguntas

HELP PLEASEI need help on these 2 questions
Question 4 unsaved the spanish empire's __________ were perhaps the greatest motivation for other european nations, such as france, england, and the netherlands
Domestic use of water only refers to water used in private households.
Can someone please help me to figure out the volume of this pastry bag :/
¿El día de la independencia de los Estados Unidos es el _______ de julio? Question 1 options: a) cuatro b) catorce c) cuarto d) cuarenta
Which geological area is known as the age of reptiles? A. Cenozoic B. Mesozoic C. Paleozoic D. Precambrian
a car drives on a highway with speed of 68mi/h. what is this speed in km/h?
Which detail from "The Monkey's Paw" is most clearly an example of foreshadowing?
why was the fourteenth amendment significant to the civil rights movement?
Which is less -.72 or -7/12
good job