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

User Mahmoud Abdelsattar
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2 Answers

4 votes
I believe it is 16.65.
Hope this helps.
User Nwwatson
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6.1k points
3 votes
the answer is around 16.65



you can get help from Pythagoras theorem :

{b}^(2) = {21}^(2) - {14}^(2) \\ {b}^(2) = 441 - 196 = 245 \\ b = √(245) = 16.65




good luck
User Abarisone
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