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

Two 1 litre jugs are each filled with a mixture of olive oil and vinegar. The first jug has 3 times as much as oil as vinegar and the second jug has 4 times as
Terri's teacher gives her the equation 3(5)^x=127-2x, and tells her that she will not know how to solve it algebraically. Explain how Terri could use a graph to
other name for blood
The number of waves that pass a particular point in a unit of time is called the __________ of the waves. (a) rarefaction (b) compression (c) amplitude (d) freq
Horace read 160 pages in 4 hours. How many pages can he read in 6 hours??
16 increased by twice a number is -24. Find the solution??
Which word is an interjection commonly used in advertising?
The diameter of your bicycle wheel is 25 inches. How far will you move in one turn of your wheel?
Find an equivalent ratio for 22/55 then write the proportion ?
The graph of y = 4x - 11 is translated up 8 units. Which equation represents the translated graph? f y = 4x - 19 g y = 4x - 3 h y = 12x - 11 j y = 12x - 3