SOLUTION: In right triangle abc, altitude ab. if ad = 8 cm and bd = 18 cm, find ac

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Question 388556: In right triangle abc, altitude ab. if ad = 8 cm and bd = 18 cm, find ac
Answer by jerryguo41(197) About Me  (Show Source):
You can put this solution on YOUR website!
Pythagorean theorem - http://goo.gl/UCW3
A%5E2%2BB%5E2=C%5E2
A and B must be legs so...
A%5E2%2B8%5E2=18%5E2
A%5E2%2B64=324
Minus 64 on both sides
A%5E2=260
Sqrt both sides
A=16.1245155