babyface3084 babyface3084
  • 01-03-2018
  • Mathematics
contestada

determine the area of a 21ft circle

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 04-03-2018
A = (π/4)*d^2
.. = (π/4)*(21 ft)^2
.. = 110.25π ft^2
.. ≈ 346.36 ft^2
Answer Link

Otras preguntas

Which unit would you most likely use to represent the time it takes to fly from New York, New York to Portland, Oregon which is 2,442 miles away? A. Minutes B.
Members of the team know their boundaries. True ot False
Difference between joint tenancy and tenancy in common
Use dimensional analysis to convert 14.5mi/hr to km/s
what is the difference in the exercise prescription for building muscular endurance versus muscle strength​
An engine flywheel initially rotates counterclockwise at 5.85 rotations/s. Then, during 21.3 s, its rotation rate changes to 3.31 rotations/s clockwise. Find th
Read the first sentences of President Kennedy's Report to the American People. This afternoon, following a series of threats and defiant statements, the presenc
Which sentence refers to a dynamic character? A farmer sticks to an old method of farming while his peers adopt new methods. A man learns empathy after working
This is the outermost layer of connective tissue surrounding a skeletal muscle.
Calculate the force required to double the length of a steel wire of area of cross section 5 x 10-5 m2? (Y=2x 1011N m2) (a) 10-5 N (b) 10-7 N n's D (c) 107 N (d