babyface3084
babyface3084
01-03-2018
Mathematics
contestada
determine the area of a 21ft circle
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 79+ )
Otras preguntas
Find the greatest common factor of the pair of numbers. 312 and 444
What is a glass rod used for in chemistry and biology laboratory?
Science Experiments: What does Interpretation of Data mean?
The reaction between an organic acid and an alcohol produces (1) an aldehyde (3) an ether (2) a ketone (4) an ester
if 4x^2-100=0, the roots are
According to one acid-base theory, a water molecule acts as an acid when the water molecule (1) accepts an H+ (3) donates an H+ (2) accepts an OH– (4) donates a
Please Help! Don't remember going over this! What activates a convection current, starting the flow of a fluid? A. cold temperatures at the north pole B. heated
The nucleus of an atom of K-42 contains (1) 19 protons and 23 neutrons (2) 19 protons and 42 neutrons (3) 20 protons and 19 neutrons (4) 23 protons and 19 neutr
The solubility of KClO3(s) in water increases as the (1) temperature of the solution increases (2) temperature of the solution decreases (3) pressure on the sol
What is 3 - 1.5? Please also explain!
