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

Compare the rate of loss of heat from a metal sphere at 827°C with the rate of loss of heat from the same sphere at 427°C,if the temperature of the surrounding
Ashish lends Rs. 20000 in four different parts. If he gets 8% on Rs. 4000, 7.5% on Rs. 8000 and 8.5% on Rs. 2800. Find the percentage he will receive on the rem
Your are driving away from Detroit . Your distance​ (in miles) away from Detroit x hours after​ 12:00 noon is given by f(t)= -4x^3+25x^2+85x+51 . In how many ho
bhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh helppppppppppppppppppppppppppppppp
Help pls it’s really easy but not for me :(
The length of a rectangle exceeds its width by 5 inches, and the area is 14 square inches. What are the length and width of the rectangle? Separate the answers
Which of the following is not a factor of 15?
Portfolio theory as described by Markowitz is most concerned with: A) the elimination of systematic risk. B) the effect of diversification on portfolio risk. C)
y varies jointly as x and the square of z and inversely as n. if y=80 when x=9, z=4, and n=18, find y when x=32, z=7, and n=35
What is the smallest possible length for the third side of the triangle given the two sides 10 and 5?