SOLUTION: the width of a rectangle is 119 and its diagonal is 169. find its length

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Question 510361: the width of a rectangle is 119 and its diagonal is 169. find its length
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
diagonal cuts rectangle into two triangles. Solve either triangle.
119 = leg = a
169 = hypotenuse = c
Find b.
a^2 + b^2 = c^2
119^2 + b^2 = 169^2
14161 + b^2 = 28561
b^2 = 14400
b = 120
So the length is 120.