SOLUTION: The length of a diagonal of a rectangle is 30 in. The width of the rectangle is 24 in. How long is the length of the rectangle?

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Question 979603: The length of a diagonal of a rectangle is 30 in. The width of the rectangle is 24 in. How long is the length of the rectangle?
Answer by Timnewman(323) About Me  (Show Source):
You can put this solution on YOUR website!
if a diagonal is drawn on a rectangle,it divides the rectangle into two right angle triangle.
if diagonal d =30inch
width w=24inch
lenght l=?
using pythagoras theorem
d²=L²+w²
therefore,
30²=L²+24²
900=L²+576
L²=900-576
L²=354
L=\/354
L=18
The lenght of the rectangle is 18inch