a right angle triangle has side the length of (x+5)cm,(x-3)cm,9cm
a right angle triangle has side the length of (x+5)cm,(x-3)cm,9cm
Seems like a Pythagoras problem, you ought find the hypotenuse and use the equation where the side c is the hypotenuse. Hope that helps! Good luck 
Note: ponder on the idea that, you'll probably end up with what looks like a quadratic. You may need to solve that and then prove that one root is impossible in some way. Hopefully you'll have a diagram too.
Note: ponder on the idea that, you'll probably end up with what looks like a quadratic. You may need to solve that and then prove that one root is impossible in some way. Hopefully you'll have a diagram too.
(edited 6 months ago)
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