daniellabeatriz88 daniellabeatriz88
  • 21-05-2020
  • Mathematics
contestada

the area of a circle is 78.5 cm2. Find the length of the radius of the circle . Use pi = 3.14

the area of a circle is 785 cm2 Find the length of the radius of the circle Use pi 314 class=
Relax

Respuesta :

kwokyy
kwokyy kwokyy
  • 22-05-2020

Answer:

r= 5

Step-by-step explanation:

area = [tex]\pi r^{2}[/tex]

78.5 = 3.14[tex]r^{2}[/tex]

r = [tex]\sqrt{ \frac{78.5}{3.14}}[/tex]=5

Answer Link

Otras preguntas

what is 1/7 to 1/14 as a unit rate
how do scientists analyze empirical evidence?
jonah wrote a 5 digit number on a piece of paper, the 4 is in the place that is ten times greater than the place where the 2 is
In which sentence is the subject understood? A. It is up to you how to decorate your room. B. Trying to simplify the clutter was a huge undertaking. C. Shake it
Bodhi has a collection of 175 dimes and nickels. The collection is worth $13.30. Which equation can be used to find n, the number of nickels in the collection?
Different ways to make 7502 in hundreds
The term standard error describes a measure of the variability for different means. True or false?
create a real world story problem that requires more than one operation to solve? Make
I have 8 thousands, 7 ones, 5 tens, 2 hundreds, 7 tenths and 3 hundredths. What number am i?
What is the solution of the inequality shown below? x + 11 > 1