Question 821690: A right triangle has legs of 8 units and 10 units. Use a coordinate plane to solve for the hypotenus.
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! ---
place the right angle at the origin: a = (0,0)
place the long leg on the y-axis: b = (0,10)
place the short leg on the x-axis: c = (8,0)
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h = sqrt( (c-a)^2 + (b-a)^2 )
h = sqrt( (8)^2 + (10)^2 )
h = sqrt( 64 + 100 )
h = sqrt( 164 )
h = 12.806248
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