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March 30, 2015

March 30, 2015

Posted by **Poop.** on Wednesday, February 22, 2012 at 10:31pm.

Find the value of x in the geometric shape.

Area=144ð

The radius is: (x+4)cm

PLEASE HELP.D:

- Algebra -
**Sonja**, Wednesday, February 22, 2012 at 10:59pm144 = (3.14)(x+4)^2

144/3.14 = (x+4)^2

45.86 = x^2 + 16

45.86 - 16 = x^2

29.86 = x^2

square root both sides and you get

x = 5.46

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