Posted by **Rachel** on Sunday, November 7, 2010 at 8:27pm.

A farmer uses 140 ft. of fencing to enclose a rectangular field. if the ratio of length to width is 3:4, find the diagonal of the field.

Any help is appreciated, thank you!

- Geometry -
**PsyDAG**, Monday, November 8, 2010 at 11:00am
W = 3/4L

2L + 2(3/4L) = 140

Solve for L and then W.

Use those values in the Pythagorean theorem.

L^2 + W^2 = D^2

- Geometry -
**Sam**, Thursday, February 3, 2011 at 9:29am
perimiter=21+2w+140ft

2(3x)+2(4x)+140

6x+8x+140

14x=140

x=10

3x=30 4x=40

the rectangle is 30' by 40'. this is a 3,4,5 right angleso the diagonal is 50'

## Answer this Question

## Related Questions

math - A total of 800m of fencing material is used to enclose a rectangular ...

Math - A rectangular field has a perimeter of 442m. If the length and the width ...

math - A farmer needs to fence a rectangular piece of land.She wants the length ...

yetf8edfueidcyt87e - a farmer wishes to fence off a rectangular field with 1,000...

Pre Algebra - The ratio of the length of a rectangular field to its width is 10:...

Math - farmer wants to enclose his pasture which is bordered by a river. If he ...

math - in a rectangular field adjacent sides differ by 17 cm.its diagonal length...

calculus - 1.Ruth has 240 feet of fencing available to enclose a rectangular ...

math - The ratio of the length of a rectangular field to its width is 10:7. If ...

math - The ratio of the length of a rectangular field to its width is 10:7. If ...