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

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

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

how do you solve 4a/b divided by 2ac/b

Containment was a policy in which the U.S. tried to do what?

1.133 g of silver nitrate was heated in an open tube. The silver residue weighed 0.720 g. During the reaction 0.307 g of nitrogen dioxide was also produced. Th

If every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only

If 604-72=___,then 532+___=604.Explain the process of checking your work.

1/7(x+21)=-6 answer ?

Suppose that 2 scientists use different measurement systems in their work. What problems might arise if they shared their data?

Who was the so-called new middle-class? What was the role of expertise and organization in this new professionalism?

How do you work this problem?

16x^2-24x+7=0 equation and/or inequalities