a rectangle has a area of 380 meters what are the meaurements of the length and with if the ratio of the length and width are 5:19
asked Jan 1, 2012 in Geometry Answers by anonymous

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

A = 380 and a/b=5/19 ⇒ a = 5b/19

A = a*b

380 = 5b/19 * b

380 = 5 b^2/19

b^2 = 380*19/5 = 1444 ⇒ b = sqrt1444 = 38

a = 5 * b/19 = 5*38/19 = 10

answered Jan 1, 2012 by jkhenry Level 8 User (36,860 points)

Related questions

Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
81,658 questions
85,896 answers
2,190 comments
69,334 users