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anonymous
 one year ago
A circle has a center at (8,2). The point (3,7) is on the circle. What is the area of the circle to the nearest tenth of a square unit?
anonymous
 one year ago
A circle has a center at (8,2). The point (3,7) is on the circle. What is the area of the circle to the nearest tenth of a square unit?

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triciaal
 one year ago
Best ResponseYou've already chosen the best response.1dw:1442806632519:dwdw:1442806745433:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1442806834199:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sqrt(8+3)^2 +(27)^2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[d=\sqrt{(x_2x_1)^2+(y_2y_1)^2} \\ d= \sqrt{(83)^2+(27)^2} \\ d= \sqrt{(5)^2+(5)^2} \\ d=~?\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes and what is 25 + 25?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes, so \(r=\sqrt{50}\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\large A_{\text{circle}} = \pi r^2 = \pi (\sqrt{50})^2 = ~?\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay, yeah I see what you mean

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0OOOHHHHH I was putting 50 instead of 7! ;v; Thanks!!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.03.14*7^2=157.1 which is the right answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0May I ask you another question?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Well when we square a square root we get the stuff inside the square root :c \[(\sqrt{x})^2 = x\] the square root and the square cancel eachother out. So.... I'm not sure where to go from that point.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh I guess you first simplified \(\sqrt{50} \approx 7.0\) then squared it.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yup, may I ask another q?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I've got to head off OpenStudy right now, but @triciaal can help you! they are very smart as well :) Good luck!

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1this is like going the other way you have r from the area then use the formula I gave above for the circle to find (x, y) you are given (h,k) the center

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes, thank you for the formula, but I can't really read all of the text you gave before ..

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1dw:1442808097127:dw

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1dw:1442808182815:dw

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1dw:1442808245627:dw

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1coordinates for center of circle

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1dw:1442808479367:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I'm sorry, I really can't understand...

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1I don't know how to make you understand I am totally confused now because this is even shown in the diagram I don't know what question you have

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I have four answer options

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0(6, 4) (2, 1) (4, 4) (2, 9)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The answer is (2, 1)
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