SOLUTION: In a triangle abc, angle a=90 degrees, ab=11.3cm, bc=15.2 find ac.

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Question 662253: In a triangle abc, angle a=90 degrees, ab=11.3cm, bc=15.2 find ac.
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

angle a=90 degrees; so, you can use Pythagorean theorem
ab=11.3cm,
bc=15.2cm
+ac%5E2=%28bc%29%5E2-%28ab%29%5E2
+ac%5E2=%2815.2cm%29%5E2-%2811.3cm%29%5E2
+ac%5E2=231.04cm%5E2-127.69cm%5E2
+ac%5E2=103.35cm%5E2
+ac=sqrt%28103.35cm%5E2%29
+highlight%28ac=10.17cm%29