reedfritz reedfritz
  • 03-08-2017
  • Mathematics
contestada

what's the area of a circle with the diameter of 7m? (use 3.14 as pi)

Respuesta :

mperemsky
mperemsky mperemsky
  • 03-08-2017
area = Pi * r^2
'
r = 7 / 2 = 3.5

area = 3.14 * 3.5^2
area = 3.14 * 12.25
area = 38.465 m sq
Answer Link

Otras preguntas

A firefighter in training leans a 21-foot extension ladder against an office building. How far from the building should the ladder be placed if the firefighter
PYSCHOLOGY HELP!! The __________ is a brain imaging technique that allows cognitive and biological psychologists to see the anatomy and the function of the bra
A woman begins driving her car 25 km north of calgary. Some time later, the woman and her car are 100 km north of calgary. What is the distance and displacement
Translate to an algebraic expression 49 increased by d what translation is
What is the difference between le, la, l', les, lui, and leur
When did the slave trade finally come to an end in the Muslim world? A. 1750's B. The end of the 18th century C. By the beginning of the 20th century D. The
HELP - PICTURE BELOW Can someone please explain to me how to answer this???
How to solve this please help!!
Why did the chinese consider europeans to be barbarians?
I need help with factoring 4n2 + 16n – 84 completely