whitewolfpack00 whitewolfpack00

17-04-2018
Mathematics

contestada

line AB is tangent to circle O at A if AO= 21 and BC= 14 what is AB

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SINAZEUS SINAZEUS

17-04-2018

the answer is around 16.65

you can get help from Pythagoras theorem :
[tex] {b}^{2} = {21}^{2} - {14}^{2} \\ {b}^{2} = 441 - 196 = 245 \\ b = \sqrt{245} = 16.65[/tex]

good luck

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Cokevspepsi Cokevspepsi

17-04-2018

I believe it is 16.65.
Hope this helps.

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