freeaustincom
freeaustincom freeaustincom
  • 04-09-2018
  • Mathematics
contestada

if the area of a circle is 154m2 what is the circumference.

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 04-09-2018

The radius is found from

... A = πr²

... r = √(A/π) = √(154/π) m ≈ 7.00 m

The circumference is then

... C = 2πr = 2π(7.00 m) ≈ 43.99 m

The circumference is about 44.0 m.

Answer Link

Otras preguntas

what is the expanded form for 15,409
List two non-SI units for volume, and explain how they relate to the cubic centimeter.
A triangle has sides with lengths of 5x-7, 3x-4, and 2x-6. what is the simplified expression for t h e perimeter of the triangle?
Why Might Increased Anger About Corruption In Government Lead To Less Interest In Government Attempts To Reconstruct The South
A company sells cookies in 250-gram packs. When a particular batch of 1,000 packs was weighed, the mean weight per pack was 255 grams and the standard deviation
You are to give ampicillin 35 mg/kg to a child with a mass of 26 kg. If stock on hand is 250 mg/capsule, how many capsules should be given?
Coffeeco Company, a national coffee store, has several stores in a busy downtown area. After opening two more locations, they noticed that sales at their stores
complete the standard form of the equation -4y=3-2y.
how is dimensional analysis useful in calculations that involve measurements
Need to write a 200-word essay on the death penalty. Is it too harsh or not. Any ideas?