sarahi7573
sarahi7573 sarahi7573
  • 12-04-2021
  • Mathematics
contestada

Find the area of a circle with a circumference of 31.4 units.

Respuesta :

tenfuz tenfuz
  • 12-04-2021

Answer:

area = 78.46

Step-by-step explanation:

31.4 = 2pi * r

divide 31.4 by 2 and get 15.7

15.7 = pi * r

divide 15.7 by pi and get

4.997 = r

(4.997^2) * pi = 78.46

Answer Link
reesertanner
reesertanner reesertanner
  • 12-04-2021

Answer:

I agree with you. that is what I got too

Answer Link

Otras preguntas

how do i say have a nice day in Spanish
Need to find common denominators for 58/2.9 and 58/5
My neighbour has lived all over the world. I asked how old are you? He said " I lived 1/4 of my life in China, 1/6 of my life in Vietnam, 1/2 of my life in Camb
what is the difference between ions and free electrons?
Find the pattern and use it to list the nth term in the sequence. 1, 1/32,1/243,1/1024,1/3125
a 22 foot ladder is placed against a vertical wall of a building with the bottom of the ladder standing on level ground 16 feet from the base of the building. h
Need to find common denominators for 58/2.9 and 58/5
Abc is a triangle, ac=19cm bc=17cm and angle bac=60 degrees. calculate the size of angle abc? answer
What is £300 divided into a ratio of 3:7
How long will lucy have to wait before her $2500 invested at 6% earns $600 ?