Kayliereinkingh
Kayliereinkingh Kayliereinkingh
  • 04-05-2017
  • Mathematics
contestada

The exact area of a circle is 81 pi square inches what are the radius and diameter of the circle

Respuesta :

DariusX
DariusX DariusX
  • 04-05-2017
area is pi*r^2

so if area is 81pi, means r=9

diameter is 2*pi*r =2*pi*9=18pi
Answer Link
HomeworkPotato123
HomeworkPotato123 HomeworkPotato123
  • 04-05-2017
To get the radius multiply 254.34 by 2 which is 508.68 and to get the radius you divide 254.34 by 2 and you get 127.17
Answer Link

Otras preguntas

Who was virginia's governor in 1781?
what do priest kings and gods have in common
what are two other things the students should look at before evaluating which container is better for the environment
read the quote from the us constitution. the powers not delegated to the united states by the constitution, nor prohibited by it to the states, are reserved for
the most important function of the skin is
find quadratic equation having zeroes as -3/alpha and 2/alpha
are the sky is green
why was Copernicus Heliocentric model rejected?
dr. james van allen and his group of united states scientists discovered a set of ___________.
jasmine bought 7 yards of fabric. the total cost was $45.63. what was the average cost per yard of the fabric she bought?