lillianesagoff1629 lillianesagoff1629
  • 24-09-2018
  • Mathematics
contestada

What’s is the radius of a circle with a area of 3.21 square feet

Respuesta :

jimrgrant1 jimrgrant1
  • 24-09-2018

approx 1 foot

The area (A) of a circle = πr² ( where r is the radius)

thus r² = A/π ⇒ r = √(A/π = √(3.21/π) =1.0108..... ≈ 1 foot ( to 1 dec. place)

Answer Link

Otras preguntas

Write the transformation of the quadratic graph? Write the equation for the graph below.
Check picture and please help!!!!!
what rhetoric appeal does this text have: 1 President Pitzer , Mr. Vice President, Governor, Congressman Thomas, Senator Wiley, and Congressman Miller, Mr. Webb
The four-byte hexadecimal sequence 08 25 FF FF stored in consecutive memory cells in a little-endian architecture represents ___________ (decimal) when interpre
Explain what an internal audit is. Internal audits evaluate a company's internal controls, including its corporate governance and accounting processes. These ty
Write the various modes of transportation of oxygen in the blood
Find the following square roots. Do not use the long division method of factorization. • √15625 = • √21025 = •√60025 = • √42025 =
a particle of mass 100g is made to describe a vertical circle of radius 1m.its instantaneous speed is 1m/s when the string makes an angle of 30 degree with the
-1,43 1,3/14,0.09, and 5,643.1 have one thing in common what is that
Question Content Area Project A requires an original investment of $54,800. The project will yield cash flows of $15,600 per year for 4 years. Project B has a c