# geometry

posted by .

The length of a certain rectangle is 4 meters more than three times its width. If the perimeter of the rectangle is 56 meters, then the width of the rectangle is

• geometry -

width ... x m
length ... 3x+4

solve 2(x + 3x+4) = 56

• geometry -

x+3x+4=56/2
4x+4=28
4x=28-4
4x=24
x=6

• geometry -

x+3x+4=56/2
4x+4=28
4x=28-4
4x=24
x=6
length=3x+4
=3x6+4
=18+4
=22

## Similar Questions

1. ### basic geometric

10. a rectangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangle is 9m. find the perimeter of this rectangle. 34. The width of a rectangular picture is one-half the length. The perimeter …
2. ### basic geometry

A rectangle has width the same asa a side of a square whose perimeter is 20m.the length of the rectangle is 9m. Find the perimeter of this rectangle. 34. The with of a rectangular picture is on-half the length . The perimeter of the …
3. ### math

the length of a rectangle is 5 ft more than twice the width. a)if x represents the width of the rctangle, represent the perimeter of the rectangle in terms of x. b) if the perimeter if the rectangle is 2 ft more than eight times the …
4. ### Math

The length of a rectangle is 1 meter more than 5 times it's width. The perimeter of the rectangle is 98 meters. Find the length and width of the rectangle.
5. ### Algebra 1

The length of a rectangle is 2 more than 3 times the width. If the perimeter is 100 meters, what is the width of the rectangle?
6. ### Math

The length of a rectangle is 8 meters less than 5 times its width. if the perimeter of the rectangle is at most 104 meters, find the greatest possible width of the rectangle.
7. ### Maths

the length of a certain rectangle is 3 meters more than twice its width.what is the width of rectangle if the perimeter of the rectangle is 150 meters?
8. ### algebra

the length of a rectangle is three meters more than the width. The perimeter of the rectangle is 34 meters find the width of the rectangle.
9. ### algebra

the length of a rectangle is 5 times its width. if the length is decreased by 3 meters, and the width is increased by 10 meters, the perimeter will be 374 meters. find the length of the original rectangle.
10. ### math

The length of a rectangle is two more than three times its width. Find the dimensions of the rectangle if the perimeter is twenty meters.

More Similar Questions