SOLUTION: in a certain triangle, its two sides which meet at the right angle are 9cm and 12cm long. What is the length of the third side
Algebra ->
Triangles
-> SOLUTION: in a certain triangle, its two sides which meet at the right angle are 9cm and 12cm long. What is the length of the third side
Log On
Question 1008984: in a certain triangle, its two sides which meet at the right angle are 9cm and 12cm long. What is the length of the third side Answer by vleith(2983) (Show Source):
You can put this solution on YOUR website! There are several different ratios that make right triangles. One set is 3:4:5.
This is a problem that fits that.
9:12:15 is 3:4:5 so the answer is 15cm.
You can also solve using Pythagorean theorem
(