SOLUTION: a rectangle has a width of 10 centimeters. the length is three times as long as the width. what is the lenght of the diagonal? round to the nearest hundredth.

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Question 366498: a rectangle has a width of 10 centimeters. the length is three times as long as the width. what is the lenght of the diagonal? round to the nearest hundredth.
Answer by amoresroy(361) About Me  (Show Source):
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a rectangle has a width of 10 centimeters. the length is three times as long as the width. what is the lenght of the diagonal? round to the nearest hundredth.
Let d = the length of the diagonal in centimeters
d^2 = 10^2 + 30^2
d = 31.62