SOLUTION: how do you solve a problem on a right angled triangle if you know the side of the hypotenuse but you need to know the two other sides ? for example ; hypotenuse = 9cm horizontal

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Question 281169: how do you solve a problem on a right angled triangle if you know the side of the hypotenuse but you need to know the two other sides ?
for example ;
hypotenuse = 9cm
horizontal side = x
vertical side = x+2

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a^2+b^2=c^2
a=x
b=x+2
c=9
x^2+(x+2)^2=9^2
x^2+x^2+4x+4=81
x=5.2849
x+2=2+5.2849