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mckenzieandjesus
 one year ago
is tangent to circle O at B. What is the length of the radius r? Round to the nearest tenth.
4.8
8.4
11.0
23.0
mckenzieandjesus
 one year ago
is tangent to circle O at B. What is the length of the radius r? Round to the nearest tenth. 4.8 8.4 11.0 23.0

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mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0@jim_thompson5910

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0AB is tangent to circle O at B

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1same idea as before r^2 + 5^2 = 9.8^2 solve for r

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0do i subtract 5^2 from 9.8^2?

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0sorry im really tired

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0so 71.04, 71.04^2+5^2 right?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1you didn't subtract

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1oh nvm 9.8^2  5^2 = 71.04

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1r^2 = 71.04 r = ????

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1square root the 71.04

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0but thats a big number..

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0oh my gosh.. im sorry, 4 square root 111/5

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0decimal form is 18.84675..

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1\[\Large \sqrt{71.04} \approx 8.4285230022821911\] http://web2.0calc.com/#sqrt(71.04)

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0the calculator was wrong then. so ould it be 8.4?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1roughly, yeah

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1I would just use that calc instead
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