Question

A neighborhood park is circular in shape. One sector of the park needs repairing, so officials would like to block off that portion with barricades. The area of the sector is 45 yd2, and . Find the length of one side of the barricades (i.e., the radius of the circle).

A.r = 6.71 yd
B.r = 15 yd
C.r = 30 yd
D.r = 45 yd

Answer 1

And Theta = 72Deg

Answer 2

Also the area is 45Pi, This Site just dosent show the Pi symbol

Answer 3

So it would be D since 45pi/pi is just 45

Answer 4

O wait, Then you gotta Sqr

Answer 5

Correct?

Answer 6

wait...a moment

Answer 7

visit it...

https://www.google.com.pk/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=how%20to%20find%20radius%20when%20angle%20and%20area%20of%20circle%20is%20given

Answer 8

Yeah i got it right, Thanks for the calculator mane.

Answer 9

WelC.