Asked by JEFF BOMB
Abigail Adventuresome took a shortcut along the diagonal of a rectangular field and saved a distance equal to 1/3 the length of the longer side.Find the retio of the length of the shorter side of the rectangle to that of the longer side.
Answers
Answered by
Reiny
let the longer side be x and the shorter side by y
then the hypotenuse is √(x^2 + y^2)
We are told
√(x^2 + y^2) = x + x/3
√(x^2 + y^2) = 4x/3
square both sides
x^2 + y^2 = 16x^2/9
9x^2 + 9y^2 = 16x^2
9y^2 = 7y^2
take √ of both sides, using only the positive case
3y = (√7)x
y/x = √7/3
y:x = √7 : 3
then the hypotenuse is √(x^2 + y^2)
We are told
√(x^2 + y^2) = x + x/3
√(x^2 + y^2) = 4x/3
square both sides
x^2 + y^2 = 16x^2/9
9x^2 + 9y^2 = 16x^2
9y^2 = 7y^2
take √ of both sides, using only the positive case
3y = (√7)x
y/x = √7/3
y:x = √7 : 3
Answered by
laura
that actually is wrong because i found the answer to that in the back of my book and the answer is 5/12, but i have no idea how to get to that answer
Answered by
Anny Firman
let the longer side be x and the shorter side by y and diagonal = d
then the hypotenuse is √(x^2 + y^2)
d=2/3x+y
(2/3x+y)2 = (x^2 + y^2)
y/x = 5/12
then the hypotenuse is √(x^2 + y^2)
d=2/3x+y
(2/3x+y)2 = (x^2 + y^2)
y/x = 5/12
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.